Boston Red Sox vs Seattle Mariners
Series timeline
▲ Boston Red Sox ahead (peak +72)
▼ Seattle Mariners ahead (peak +1)
Boston Red Sox Seattle Mariners Split season or tie Season with a postseason meeting One season per cell
Longest streaks: Boston Red Sox 15 (1977–1978), Seattle Mariners 5 (2006). Current: Seattle Mariners 2.
Splits
| Split | Boston Red Sox record |
|---|---|
| Regular season | 269-199 |
| Hosted by Boston Red Sox | 142-86 |
| Hosted by Seattle Mariners | 127-113 |
| Last 10 seasons (2016 to 2026) | 38-28 |
| Largest Boston Red Sox win | 15-1 (2015) |
| Largest Seattle Mariners win | 14-1 (1988) |
In the record book
- Longest winning streaks#54 in MLB
Every meeting
2020s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2026 (3-3) | Jun 19, 2026 | Boston Red Sox | 6-2 | at Seattle Mariners | |
| Jun 20, 2026 | Boston Red Sox | 5-1 | at Seattle Mariners | ||
| Jun 21, 2026 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Aug 31, 2026 | Boston Red Sox | 9-8 | at Boston Red Sox | ||
| Sep 1, 2026 | Seattle Mariners | 9-6 | at Boston Red Sox | ||
| Sep 2, 2026 | Seattle Mariners | 8-3 | at Boston Red Sox | ||
| 2025 (3-3) | Apr 22, 2025 | Boston Red Sox | 8-3 | at Boston Red Sox | |
| Apr 23, 2025 | Seattle Mariners | 8-5 | at Boston Red Sox | ||
| Apr 24, 2025 | Seattle Mariners | 4-3 | at Boston Red Sox | ||
| Jun 16, 2025 | Boston Red Sox | 2-0 | at Seattle Mariners | ||
| Jun 17, 2025 | Seattle Mariners | 8-0 | at Seattle Mariners | ||
| Jun 18, 2025 | Boston Red Sox | 3-1 | at Seattle Mariners | ||
| 2024 (4-3) | Mar 28, 2024 | Boston Red Sox | 6-4 | at Seattle Mariners | |
| Mar 29, 2024 | Seattle Mariners | 1-0 | at Seattle Mariners | ||
| Mar 30, 2024 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| Mar 31, 2024 | Boston Red Sox | 5-1 | at Seattle Mariners | ||
| Jul 29, 2024 | Boston Red Sox | 14-7 | at Boston Red Sox | ||
| Jul 30, 2024 | Seattle Mariners | 10-6 | at Boston Red Sox | ||
| Jul 31, 2024 | Boston Red Sox | 3-2 | at Boston Red Sox | ||
| 2023 (3-3) | May 15, 2023 | Seattle Mariners | 10-1 | at Boston Red Sox | |
| May 16, 2023 | Boston Red Sox | 9-4 | at Boston Red Sox | ||
| May 17, 2023 | Boston Red Sox | 12-3 | at Boston Red Sox | ||
| Jul 31, 2023 | Seattle Mariners | 6-2 | at Seattle Mariners | ||
| Aug 1, 2023 | Boston Red Sox | 6-4 | at Seattle Mariners | ||
| Aug 2, 2023 | Seattle Mariners | 6-3 | at Seattle Mariners | ||
| 2022 (6-1) | May 19, 2022 | Boston Red Sox | 12-6 | at Boston Red Sox | |
| May 20, 2022 | Boston Red Sox | 7-3 | at Boston Red Sox | ||
| May 21, 2022 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| May 22, 2022 | Boston Red Sox | 8-4 | at Boston Red Sox | ||
| Jun 10, 2022 | Boston Red Sox | 4-3 | at Seattle Mariners | ||
| Jun 11, 2022 | Seattle Mariners | 7-6 | at Seattle Mariners | ||
| Jun 12, 2022 | Boston Red Sox | 2-0 | at Seattle Mariners | ||
| 2021 (4-3) | Apr 22, 2021 | Seattle Mariners | 7-3 | at Boston Red Sox | |
| Apr 23, 2021 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Apr 24, 2021 | Seattle Mariners | 8-2 | at Boston Red Sox | ||
| Apr 25, 2021 | Boston Red Sox | 5-3 | at Boston Red Sox | ||
| Sep 13, 2021 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Sep 14, 2021 | Boston Red Sox | 8-4 | at Seattle Mariners | ||
| Sep 15, 2021 | Boston Red Sox | 9-4 | at Seattle Mariners |
2010s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2019 (4-3) | Mar 28, 2019 | Seattle Mariners | 12-4 | at Seattle Mariners | |
| Mar 29, 2019 | Boston Red Sox | 7-6 | at Seattle Mariners | ||
| Mar 30, 2019 | Seattle Mariners | 6-5 | at Seattle Mariners | ||
| Mar 31, 2019 | Seattle Mariners | 10-8 | at Seattle Mariners | ||
| May 10, 2019 | Boston Red Sox | 14-1 | at Boston Red Sox | ||
| May 11, 2019 | Boston Red Sox | 9-5 | at Boston Red Sox | ||
| May 12, 2019 | Boston Red Sox | 11-2 | at Boston Red Sox | ||
| 2018 (4-3) | Jun 14, 2018 | Boston Red Sox | 2-1 | at Seattle Mariners | |
| Jun 15, 2018 | Seattle Mariners | 7-6 | at Seattle Mariners | ||
| Jun 16, 2018 | Seattle Mariners | 1-0 | at Seattle Mariners | ||
| Jun 17, 2018 | Boston Red Sox | 9-3 | at Seattle Mariners | ||
| Jun 22, 2018 | Boston Red Sox | 14-10 | at Boston Red Sox | ||
| Jun 23, 2018 | Seattle Mariners | 7-2 | at Boston Red Sox | ||
| Jun 24, 2018 | Boston Red Sox | 5-0 | at Boston Red Sox | ||
| 2017 (3-3) | May 26, 2017 | Boston Red Sox | 3-0 | at Boston Red Sox | |
| May 27, 2017 | Boston Red Sox | 6-0 | at Boston Red Sox | ||
| May 28, 2017 | Seattle Mariners | 5-0 | at Boston Red Sox | ||
| Jul 24, 2017 | Seattle Mariners | 4-0 | at Seattle Mariners | ||
| Jul 25, 2017 | Seattle Mariners | 6-5 | at Seattle Mariners | ||
| Jul 26, 2017 | Boston Red Sox | 4-0 | at Seattle Mariners | ||
| 2016 (4-3) | Jun 17, 2016 | Seattle Mariners | 8-4 | at Boston Red Sox | |
| Jun 18, 2016 | Boston Red Sox | 6-2 | at Boston Red Sox | ||
| Jun 19, 2016 | Boston Red Sox | 2-1 | at Boston Red Sox | ||
| Aug 1, 2016 | Boston Red Sox | 2-1 | at Seattle Mariners | ||
| Aug 2, 2016 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Aug 3, 2016 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Aug 4, 2016 | Boston Red Sox | 3-2 | at Seattle Mariners | ||
| 2015 (4-3) | May 14, 2015 | Boston Red Sox | 2-1 | at Seattle Mariners | |
| May 15, 2015 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| May 16, 2015 | Boston Red Sox | 4-2 | at Seattle Mariners | ||
| May 17, 2015 | Seattle Mariners | 5-0 | at Seattle Mariners | ||
| Aug 14, 2015 | Boston Red Sox | 15-1 | at Boston Red Sox | ||
| Aug 15, 2015 | Boston Red Sox | 22-10 | at Boston Red Sox | ||
| Aug 16, 2015 | Seattle Mariners | 10-8 | at Boston Red Sox | ||
| 2014 (1-5) | Jun 23, 2014 | Seattle Mariners | 12-3 | at Seattle Mariners | |
| Jun 24, 2014 | Seattle Mariners | 8-2 | at Seattle Mariners | ||
| Jun 25, 2014 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| Aug 22, 2014 | Seattle Mariners | 5-3 | at Boston Red Sox | ||
| Aug 23, 2014 | Seattle Mariners | 7-3 | at Boston Red Sox | ||
| Aug 24, 2014 | Seattle Mariners | 8-6 | at Boston Red Sox | ||
| 2013 (6-1) | Jul 8, 2013 | Seattle Mariners | 11-4 | at Seattle Mariners | |
| Jul 9, 2013 | Boston Red Sox | 11-8 | at Seattle Mariners | ||
| Jul 10, 2013 | Boston Red Sox | 11-4 | at Seattle Mariners | ||
| Jul 11, 2013 | Boston Red Sox | 8-7 | at Seattle Mariners | ||
| Jul 30, 2013 | Boston Red Sox | 8-2 | at Boston Red Sox | ||
| Jul 31, 2013 | Boston Red Sox | 5-4 | at Boston Red Sox | ||
| Aug 1, 2013 | Boston Red Sox | 8-7 | at Boston Red Sox | ||
| 2012 (5-4) | May 14, 2012 | Boston Red Sox | 6-1 | at Boston Red Sox | |
| May 15, 2012 | Boston Red Sox | 5-0 | at Boston Red Sox | ||
| Jun 28, 2012 | Seattle Mariners | 1-0 | at Seattle Mariners | ||
| Jun 29, 2012 | Boston Red Sox | 5-0 | at Seattle Mariners | ||
| Jun 30, 2012 | Seattle Mariners | 3-2 | at Seattle Mariners | ||
| Jul 1, 2012 | Boston Red Sox | 2-1 | at Seattle Mariners | ||
| Sep 3, 2012 | Seattle Mariners | 4-1 | at Seattle Mariners | ||
| Sep 4, 2012 | Boston Red Sox | 4-3 | at Seattle Mariners | ||
| Sep 5, 2012 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| 2011 (5-4) | Apr 29, 2011 | Seattle Mariners | 5-4 | at Boston Red Sox | |
| Apr 30, 2011 | Seattle Mariners | 2-0 | at Boston Red Sox | ||
| May 1, 2011 | Boston Red Sox | 3-2 | at Boston Red Sox | ||
| Jul 22, 2011 | Boston Red Sox | 7-4 | at Boston Red Sox | ||
| Jul 23, 2011 | Boston Red Sox | 3-1 | at Boston Red Sox | ||
| Jul 24, 2011 | Boston Red Sox | 12-8 | at Boston Red Sox | ||
| Aug 12, 2011 | Boston Red Sox | 6-4 | at Seattle Mariners | ||
| Aug 13, 2011 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Aug 14, 2011 | Seattle Mariners | 5-3 | at Seattle Mariners | ||
| 2010 (7-3) | Jul 22, 2010 | Boston Red Sox | 8-6 | at Seattle Mariners | |
| Jul 23, 2010 | Boston Red Sox | 2-1 | at Seattle Mariners | ||
| Jul 24, 2010 | Seattle Mariners | 5-1 | at Seattle Mariners | ||
| Jul 25, 2010 | Seattle Mariners | 4-2 | at Seattle Mariners | ||
| Aug 23, 2010 | Boston Red Sox | 6-3 | at Boston Red Sox | ||
| Aug 25, 2010 | Boston Red Sox | 5-3 | at Boston Red Sox | ||
| Aug 25, 2010 | Seattle Mariners | 4-2 | at Boston Red Sox | ||
| Sep 13, 2010 | Boston Red Sox | 5-1 | at Seattle Mariners | ||
| Sep 14, 2010 | Boston Red Sox | 9-6 | at Seattle Mariners | ||
| Sep 15, 2010 | Boston Red Sox | 5-1 | at Seattle Mariners |
2000s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2009 (2-4) | May 15, 2009 | Seattle Mariners | 5-4 | at Seattle Mariners | |
| May 16, 2009 | Boston Red Sox | 5-3 | at Seattle Mariners | ||
| May 17, 2009 | Seattle Mariners | 3-2 | at Seattle Mariners | ||
| Jul 3, 2009 | Seattle Mariners | 7-6 | at Boston Red Sox | ||
| Jul 4, 2009 | Seattle Mariners | 3-2 | at Boston Red Sox | ||
| Jul 5, 2009 | Boston Red Sox | 8-4 | at Boston Red Sox | ||
| 2008 (6-3) | May 26, 2008 | Boston Red Sox | 5-3 | at Seattle Mariners | |
| May 27, 2008 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| May 28, 2008 | Seattle Mariners | 1-0 | at Seattle Mariners | ||
| Jun 6, 2008 | Seattle Mariners | 8-0 | at Boston Red Sox | ||
| Jun 7, 2008 | Boston Red Sox | 11-3 | at Boston Red Sox | ||
| Jun 8, 2008 | Boston Red Sox | 2-1 | at Boston Red Sox | ||
| Jul 21, 2008 | Boston Red Sox | 4-0 | at Seattle Mariners | ||
| Jul 22, 2008 | Boston Red Sox | 4-2 | at Seattle Mariners | ||
| Jul 23, 2008 | Boston Red Sox | 6-3 | at Seattle Mariners | ||
| 2007 (4-5) | Apr 10, 2007 | Boston Red Sox | 14-3 | at Boston Red Sox | |
| Apr 11, 2007 | Seattle Mariners | 3-0 | at Boston Red Sox | ||
| May 3, 2007 | Boston Red Sox | 8-7 | at Boston Red Sox | ||
| Jun 25, 2007 | Seattle Mariners | 9-4 | at Seattle Mariners | ||
| Jun 26, 2007 | Seattle Mariners | 8-7 | at Seattle Mariners | ||
| Jun 27, 2007 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| Aug 3, 2007 | Seattle Mariners | 7-4 | at Seattle Mariners | ||
| Aug 4, 2007 | Boston Red Sox | 4-3 | at Seattle Mariners | ||
| Aug 5, 2007 | Boston Red Sox | 9-2 | at Seattle Mariners | ||
| 2006 (4-6) | Apr 14, 2006 | Boston Red Sox | 2-1 | at Boston Red Sox | |
| Apr 15, 2006 | Seattle Mariners | 3-0 | at Boston Red Sox | ||
| Apr 16, 2006 | Boston Red Sox | 3-2 | at Boston Red Sox | ||
| Apr 17, 2006 | Boston Red Sox | 7-6 | at Boston Red Sox | ||
| Jul 21, 2006 | Boston Red Sox | 9-4 | at Seattle Mariners | ||
| Jul 22, 2006 | Seattle Mariners | 5-2 | at Seattle Mariners | ||
| Jul 23, 2006 | Seattle Mariners | 9-8 | at Seattle Mariners | ||
| Aug 25, 2006 | Seattle Mariners | 6-0 | at Seattle Mariners | ||
| Aug 26, 2006 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| Aug 27, 2006 | Seattle Mariners | 6-3 | at Seattle Mariners | ||
| 2005 (3-3) | May 6, 2005 | Boston Red Sox | 7-2 | at Boston Red Sox | |
| May 8, 2005 | Boston Red Sox | 6-3 | at Boston Red Sox | ||
| May 8, 2005 | Seattle Mariners | 6-4 | at Boston Red Sox | ||
| May 13, 2005 | Seattle Mariners | 14-7 | at Seattle Mariners | ||
| May 14, 2005 | Boston Red Sox | 6-3 | at Seattle Mariners | ||
| May 15, 2005 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| 2004 (5-4) | May 28, 2004 | Boston Red Sox | 8-4 | at Boston Red Sox | |
| May 29, 2004 | Seattle Mariners | 5-4 | at Boston Red Sox | ||
| May 30, 2004 | Boston Red Sox | 9-7 | at Boston Red Sox | ||
| Jul 19, 2004 | Seattle Mariners | 8-4 | at Seattle Mariners | ||
| Jul 20, 2004 | Boston Red Sox | 9-7 | at Seattle Mariners | ||
| Sep 9, 2004 | Seattle Mariners | 7-1 | at Seattle Mariners | ||
| Sep 10, 2004 | Boston Red Sox | 13-2 | at Seattle Mariners | ||
| Sep 11, 2004 | Boston Red Sox | 9-0 | at Seattle Mariners | ||
| Sep 12, 2004 | Seattle Mariners | 2-0 | at Seattle Mariners | ||
| 2003 (5-2) | Aug 15, 2003 | Seattle Mariners | 10-5 | at Seattle Mariners | |
| Aug 16, 2003 | Boston Red Sox | 5-1 | at Seattle Mariners | ||
| Aug 17, 2003 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Aug 22, 2003 | Boston Red Sox | 6-4 | at Boston Red Sox | ||
| Aug 23, 2003 | Boston Red Sox | 7-6 | at Boston Red Sox | ||
| Aug 24, 2003 | Boston Red Sox | 6-1 | at Boston Red Sox | ||
| Aug 25, 2003 | Boston Red Sox | 8-1 | at Boston Red Sox | ||
| 2002 (4-5) | May 10, 2002 | Seattle Mariners | 7-2 | at Seattle Mariners | |
| May 11, 2002 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| May 12, 2002 | Boston Red Sox | 10-4 | at Seattle Mariners | ||
| May 17, 2002 | Seattle Mariners | 6-3 | at Boston Red Sox | ||
| May 18, 2002 | Boston Red Sox | 4-1 | at Boston Red Sox | ||
| May 19, 2002 | Boston Red Sox | 3-2 | at Boston Red Sox | ||
| Aug 13, 2002 | Seattle Mariners | 10-3 | at Seattle Mariners | ||
| Aug 14, 2002 | Boston Red Sox | 12-5 | at Seattle Mariners | ||
| Aug 15, 2002 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| 2001 (3-6) | May 1, 2001 | Boston Red Sox | 2-0 | at Seattle Mariners | |
| May 2, 2001 | Seattle Mariners | 5-1 | at Seattle Mariners | ||
| May 3, 2001 | Seattle Mariners | 10-3 | at Seattle Mariners | ||
| May 8, 2001 | Boston Red Sox | 12-4 | at Boston Red Sox | ||
| May 9, 2001 | Seattle Mariners | 10-5 | at Boston Red Sox | ||
| May 10, 2001 | Seattle Mariners | 5-2 | at Boston Red Sox | ||
| Aug 14, 2001 | Seattle Mariners | 6-3 | at Boston Red Sox | ||
| Aug 15, 2001 | Seattle Mariners | 6-2 | at Boston Red Sox | ||
| Aug 16, 2001 | Boston Red Sox | 6-4 | at Boston Red Sox | ||
| 2000 (5-5) | Apr 4, 2000 | Boston Red Sox | 2-0 | at Seattle Mariners | |
| Apr 5, 2000 | Seattle Mariners | 9-3 | at Seattle Mariners | ||
| Apr 6, 2000 | Seattle Mariners | 5-2 | at Seattle Mariners | ||
| Jul 31, 2000 | Boston Red Sox | 8-5 | at Seattle Mariners | ||
| Aug 1, 2000 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Aug 2, 2000 | Boston Red Sox | 5-2 | at Seattle Mariners | ||
| Sep 1, 2000 | Boston Red Sox | 6-2 | at Boston Red Sox | ||
| Sep 2, 2000 | Seattle Mariners | 4-1 | at Boston Red Sox | ||
| Sep 3, 2000 | Seattle Mariners | 5-0 | at Boston Red Sox | ||
| Sep 4, 2000 | Boston Red Sox | 5-1 | at Boston Red Sox |
1990s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 1999 (7-3) | May 10, 1999 | Boston Red Sox | 12-4 | at Boston Red Sox | |
| May 11, 1999 | Seattle Mariners | 8-5 | at Boston Red Sox | ||
| May 12, 1999 | Boston Red Sox | 9-2 | at Boston Red Sox | ||
| Aug 13, 1999 | Boston Red Sox | 11-6 | at Boston Red Sox | ||
| Aug 14, 1999 | Boston Red Sox | 13-2 | at Boston Red Sox | ||
| Aug 15, 1999 | Seattle Mariners | 4-3 | at Boston Red Sox | ||
| Sep 3, 1999 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| Sep 4, 1999 | Boston Red Sox | 4-0 | at Seattle Mariners | ||
| Sep 5, 1999 | Boston Red Sox | 9-7 | at Seattle Mariners | ||
| Sep 6, 1999 | Boston Red Sox | 3-2 | at Seattle Mariners | ||
| 1998 (7-4) | Apr 3, 1998 | Seattle Mariners | 11-6 | at Seattle Mariners | |
| Apr 4, 1998 | Seattle Mariners | 12-6 | at Seattle Mariners | ||
| Apr 5, 1998 | Boston Red Sox | 10-5 | at Seattle Mariners | ||
| Apr 10, 1998 | Boston Red Sox | 9-7 | at Boston Red Sox | ||
| Apr 11, 1998 | Boston Red Sox | 5-0 | at Boston Red Sox | ||
| Apr 12, 1998 | Boston Red Sox | 8-7 | at Boston Red Sox | ||
| Aug 3, 1998 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Aug 4, 1998 | Boston Red Sox | 2-1 | at Seattle Mariners | ||
| Aug 31, 1998 | Boston Red Sox | 5-1 | at Boston Red Sox | ||
| Sep 1, 1998 | Seattle Mariners | 7-3 | at Boston Red Sox | ||
| Sep 2, 1998 | Boston Red Sox | 7-3 | at Boston Red Sox | ||
| 1997 (7-4) | Apr 4, 1997 | Boston Red Sox | 10-5 | at Seattle Mariners | |
| Apr 5, 1997 | Boston Red Sox | 8-6 | at Seattle Mariners | ||
| Apr 6, 1997 | Seattle Mariners | 8-7 | at Seattle Mariners | ||
| Apr 11, 1997 | Seattle Mariners | 5-3 | at Boston Red Sox | ||
| Apr 12, 1997 | Seattle Mariners | 5-1 | at Boston Red Sox | ||
| Apr 13, 1997 | Boston Red Sox | 7-1 | at Boston Red Sox | ||
| Jul 29, 1997 | Boston Red Sox | 4-0 | at Boston Red Sox | ||
| Jul 30, 1997 | Boston Red Sox | 8-7 | at Boston Red Sox | ||
| Aug 25, 1997 | Boston Red Sox | 9-8 | at Seattle Mariners | ||
| Aug 26, 1997 | Seattle Mariners | 8-2 | at Seattle Mariners | ||
| Aug 27, 1997 | Boston Red Sox | 9-5 | at Seattle Mariners | ||
| 1996 (7-6) | May 21, 1996 | Seattle Mariners | 13-7 | at Boston Red Sox | |
| May 22, 1996 | Seattle Mariners | 6-1 | at Boston Red Sox | ||
| May 23, 1996 | Boston Red Sox | 11-4 | at Boston Red Sox | ||
| May 30, 1996 | Boston Red Sox | 10-1 | at Seattle Mariners | ||
| May 31, 1996 | Seattle Mariners | 9-6 | at Seattle Mariners | ||
| Jun 1, 1996 | Boston Red Sox | 6-5 | at Seattle Mariners | ||
| Jun 2, 1996 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Aug 23, 1996 | Seattle Mariners | 6-4 | at Boston Red Sox | ||
| Aug 24, 1996 | Boston Red Sox | 9-5 | at Boston Red Sox | ||
| Aug 25, 1996 | Boston Red Sox | 8-5 | at Boston Red Sox | ||
| Sep 2, 1996 | Boston Red Sox | 9-8 | at Seattle Mariners | ||
| Sep 3, 1996 | Seattle Mariners | 11-9 | at Seattle Mariners | ||
| Sep 4, 1996 | Boston Red Sox | 7-5 | at Seattle Mariners | ||
| 1995 (7-5) | May 23, 1995 | Boston Red Sox | 5-4 | at Seattle Mariners | |
| May 24, 1995 | Seattle Mariners | 15-6 | at Seattle Mariners | ||
| May 25, 1995 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| Jun 2, 1995 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Jun 3, 1995 | Boston Red Sox | 10-8 | at Boston Red Sox | ||
| Jun 4, 1995 | Boston Red Sox | 2-1 | at Boston Red Sox | ||
| Aug 18, 1995 | Seattle Mariners | 9-3 | at Seattle Mariners | ||
| Aug 19, 1995 | Boston Red Sox | 4-3 | at Seattle Mariners | ||
| Aug 20, 1995 | Boston Red Sox | 7-6 | at Seattle Mariners | ||
| Aug 29, 1995 | Seattle Mariners | 6-4 | at Boston Red Sox | ||
| Aug 30, 1995 | Boston Red Sox | 7-6 | at Boston Red Sox | ||
| Aug 31, 1995 | Seattle Mariners | 11-2 | at Boston Red Sox | ||
| 1994 (6-6) | Apr 25, 1994 | Seattle Mariners | 4-2 | at Seattle Mariners | |
| Apr 26, 1994 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| May 3, 1994 | Boston Red Sox | 7-6 | at Boston Red Sox | ||
| May 4, 1994 | Boston Red Sox | 4-2 | at Boston Red Sox | ||
| Jul 7, 1994 | Seattle Mariners | 4-3 | at Boston Red Sox | ||
| Jul 8, 1994 | Boston Red Sox | 4-3 | at Boston Red Sox | ||
| Jul 9, 1994 | Seattle Mariners | 7-4 | at Boston Red Sox | ||
| Jul 10, 1994 | Boston Red Sox | 9-2 | at Boston Red Sox | ||
| Jul 22, 1994 | Seattle Mariners | 6-3 | at Boston Red Sox | ||
| Jul 23, 1994 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Jul 23, 1994 | Seattle Mariners | 6-3 | at Boston Red Sox | ||
| Jul 24, 1994 | Boston Red Sox | 8-2 | at Boston Red Sox | ||
| 1993 (7-5) | Apr 20, 1993 | Boston Red Sox | 5-2 | at Seattle Mariners | |
| Apr 21, 1993 | Seattle Mariners | 5-0 | at Seattle Mariners | ||
| Apr 22, 1993 | Seattle Mariners | 7-0 | at Seattle Mariners | ||
| May 3, 1993 | Seattle Mariners | 2-0 | at Boston Red Sox | ||
| May 4, 1993 | Seattle Mariners | 7-6 | at Boston Red Sox | ||
| Jul 2, 1993 | Boston Red Sox | 9-8 | at Seattle Mariners | ||
| Jul 3, 1993 | Boston Red Sox | 6-5 | at Seattle Mariners | ||
| Jul 4, 1993 | Boston Red Sox | 6-0 | at Seattle Mariners | ||
| Jul 15, 1993 | Seattle Mariners | 3-2 | at Boston Red Sox | ||
| Jul 16, 1993 | Boston Red Sox | 5-3 | at Boston Red Sox | ||
| Jul 17, 1993 | Boston Red Sox | 4-3 | at Boston Red Sox | ||
| Jul 18, 1993 | Boston Red Sox | 7-6 | at Boston Red Sox | ||
| 1992 (6-6) | May 18, 1992 | Boston Red Sox | 3-2 | at Boston Red Sox | |
| May 19, 1992 | Boston Red Sox | 7-5 | at Boston Red Sox | ||
| May 20, 1992 | Boston Red Sox | 6-4 | at Boston Red Sox | ||
| May 29, 1992 | Seattle Mariners | 7-3 | at Seattle Mariners | ||
| May 30, 1992 | Seattle Mariners | 3-0 | at Seattle Mariners | ||
| May 31, 1992 | Boston Red Sox | 7-1 | at Seattle Mariners | ||
| Aug 21, 1992 | Seattle Mariners | 5-2 | at Boston Red Sox | ||
| Aug 22, 1992 | Boston Red Sox | 10-8 | at Boston Red Sox | ||
| Aug 23, 1992 | Seattle Mariners | 9-3 | at Boston Red Sox | ||
| Aug 31, 1992 | Seattle Mariners | 15-2 | at Seattle Mariners | ||
| Sep 1, 1992 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| Sep 2, 1992 | Boston Red Sox | 5-3 | at Seattle Mariners | ||
| 1991 (9-3) | Jun 10, 1991 | Boston Red Sox | 6-2 | at Seattle Mariners | |
| Jun 11, 1991 | Boston Red Sox | 8-5 | at Seattle Mariners | ||
| Jun 12, 1991 | Seattle Mariners | 5-3 | at Seattle Mariners | ||
| Jun 18, 1991 | Seattle Mariners | 2-1 | at Boston Red Sox | ||
| Jun 19, 1991 | Seattle Mariners | 4-3 | at Boston Red Sox | ||
| Aug 30, 1991 | Boston Red Sox | 3-2 | at Seattle Mariners | ||
| Aug 31, 1991 | Boston Red Sox | 4-1 | at Seattle Mariners | ||
| Sep 1, 1991 | Boston Red Sox | 13-2 | at Seattle Mariners | ||
| Sep 5, 1991 | Boston Red Sox | 4-3 | at Boston Red Sox | ||
| Sep 6, 1991 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Sep 7, 1991 | Boston Red Sox | 11-10 | at Boston Red Sox | ||
| Sep 8, 1991 | Boston Red Sox | 17-6 | at Boston Red Sox | ||
| 1990 (8-4) | Apr 30, 1990 | Boston Red Sox | 11-0 | at Boston Red Sox | |
| May 1, 1990 | Boston Red Sox | 8-2 | at Boston Red Sox | ||
| May 2, 1990 | Seattle Mariners | 9-2 | at Boston Red Sox | ||
| May 7, 1990 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| May 8, 1990 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| May 9, 1990 | Boston Red Sox | 4-1 | at Seattle Mariners | ||
| Aug 10, 1990 | Seattle Mariners | 4-1 | at Seattle Mariners | ||
| Aug 11, 1990 | Boston Red Sox | 4-2 | at Seattle Mariners | ||
| Aug 12, 1990 | Boston Red Sox | 7-2 | at Seattle Mariners | ||
| Sep 7, 1990 | Boston Red Sox | 5-4 | at Boston Red Sox | ||
| Sep 8, 1990 | Boston Red Sox | 10-2 | at Boston Red Sox | ||
| Sep 9, 1990 | Seattle Mariners | 3-1 | at Boston Red Sox |
1980s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 1989 (5-7) | May 12, 1989 | Boston Red Sox | 2-0 | at Seattle Mariners | |
| May 13, 1989 | Seattle Mariners | 14-6 | at Seattle Mariners | ||
| May 14, 1989 | Seattle Mariners | 4-3 | at Seattle Mariners | ||
| May 23, 1989 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| May 24, 1989 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| May 25, 1989 | Boston Red Sox | 10-0 | at Boston Red Sox | ||
| Sep 1, 1989 | Seattle Mariners | 7-2 | at Boston Red Sox | ||
| Sep 2, 1989 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Sep 3, 1989 | Seattle Mariners | 3-2 | at Boston Red Sox | ||
| Sep 11, 1989 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| Sep 12, 1989 | Seattle Mariners | 5-3 | at Seattle Mariners | ||
| Sep 13, 1989 | Seattle Mariners | 7-4 | at Seattle Mariners | ||
| 1988 (6-6) | May 13, 1988 | Boston Red Sox | 14-8 | at Boston Red Sox | |
| May 14, 1988 | Boston Red Sox | 3-0 | at Boston Red Sox | ||
| May 15, 1988 | Seattle Mariners | 11-7 | at Boston Red Sox | ||
| May 23, 1988 | Seattle Mariners | 14-3 | at Seattle Mariners | ||
| May 24, 1988 | Seattle Mariners | 14-1 | at Seattle Mariners | ||
| May 25, 1988 | Boston Red Sox | 4-0 | at Seattle Mariners | ||
| Aug 16, 1988 | Seattle Mariners | 7-0 | at Boston Red Sox | ||
| Aug 17, 1988 | Boston Red Sox | 7-2 | at Boston Red Sox | ||
| Aug 18, 1988 | Seattle Mariners | 6-1 | at Boston Red Sox | ||
| Aug 26, 1988 | Boston Red Sox | 5-3 | at Seattle Mariners | ||
| Aug 27, 1988 | Seattle Mariners | 8-6 | at Seattle Mariners | ||
| Aug 28, 1988 | Boston Red Sox | 7-2 | at Seattle Mariners | ||
| 1987 (7-5) | Apr 29, 1987 | Boston Red Sox | 11-5 | at Seattle Mariners | |
| Apr 30, 1987 | Seattle Mariners | 11-2 | at Seattle Mariners | ||
| May 11, 1987 | Seattle Mariners | 4-3 | at Boston Red Sox | ||
| May 12, 1987 | Boston Red Sox | 3-2 | at Boston Red Sox | ||
| May 13, 1987 | Seattle Mariners | 5-4 | at Boston Red Sox | ||
| Jul 9, 1987 | Seattle Mariners | 11-5 | at Seattle Mariners | ||
| Jul 10, 1987 | Boston Red Sox | 7-4 | at Seattle Mariners | ||
| Jul 11, 1987 | Boston Red Sox | 10-4 | at Seattle Mariners | ||
| Jul 12, 1987 | Seattle Mariners | 6-1 | at Seattle Mariners | ||
| Jul 24, 1987 | Boston Red Sox | 5-4 | at Boston Red Sox | ||
| Jul 25, 1987 | Boston Red Sox | 11-5 | at Boston Red Sox | ||
| Jul 26, 1987 | Boston Red Sox | 11-1 | at Boston Red Sox | ||
| 1986 (8-4) | Apr 29, 1986 | Boston Red Sox | 3-1 | at Boston Red Sox | |
| Apr 30, 1986 | Boston Red Sox | 9-4 | at Boston Red Sox | ||
| May 1, 1986 | Boston Red Sox | 12-2 | at Boston Red Sox | ||
| May 7, 1986 | Boston Red Sox | 11-5 | at Seattle Mariners | ||
| May 8, 1986 | Boston Red Sox | 4-2 | at Seattle Mariners | ||
| Jul 4, 1986 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Jul 5, 1986 | Seattle Mariners | 9-5 | at Boston Red Sox | ||
| Jul 6, 1986 | Boston Red Sox | 7-3 | at Boston Red Sox | ||
| Jul 17, 1986 | Seattle Mariners | 5-1 | at Seattle Mariners | ||
| Jul 18, 1986 | Seattle Mariners | 10-4 | at Seattle Mariners | ||
| Jul 19, 1986 | Boston Red Sox | 9-4 | at Seattle Mariners | ||
| Jul 20, 1986 | Seattle Mariners | 9-5 | at Seattle Mariners | ||
| 1985 (6-6) | May 1, 1985 | Seattle Mariners | 7-0 | at Seattle Mariners | |
| May 2, 1985 | Boston Red Sox | 2-1 | at Seattle Mariners | ||
| May 14, 1985 | Seattle Mariners | 5-0 | at Boston Red Sox | ||
| May 15, 1985 | Seattle Mariners | 7-1 | at Boston Red Sox | ||
| Jul 11, 1985 | Boston Red Sox | 7-1 | at Seattle Mariners | ||
| Jul 12, 1985 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| Jul 13, 1985 | Seattle Mariners | 6-5 | at Seattle Mariners | ||
| Jul 14, 1985 | Boston Red Sox | 6-2 | at Seattle Mariners | ||
| Jul 25, 1985 | Boston Red Sox | 5-3 | at Boston Red Sox | ||
| Jul 26, 1985 | Boston Red Sox | 6-2 | at Boston Red Sox | ||
| Jul 27, 1985 | Seattle Mariners | 10-3 | at Boston Red Sox | ||
| Jul 28, 1985 | Seattle Mariners | 7-2 | at Boston Red Sox | ||
| 1984 (4-8) | Apr 10, 1984 | Seattle Mariners | 5-1 | at Seattle Mariners | |
| Apr 11, 1984 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Apr 25, 1984 | Boston Red Sox | 2-1 | at Boston Red Sox | ||
| Apr 26, 1984 | Seattle Mariners | 6-5 | at Boston Red Sox | ||
| Jun 28, 1984 | Boston Red Sox | 9-6 | at Boston Red Sox | ||
| Jun 29, 1984 | Seattle Mariners | 5-3 | at Boston Red Sox | ||
| Jun 30, 1984 | Seattle Mariners | 2-1 | at Boston Red Sox | ||
| Jul 1, 1984 | Seattle Mariners | 1-0 | at Boston Red Sox | ||
| Jul 12, 1984 | Seattle Mariners | 3-2 | at Seattle Mariners | ||
| Jul 13, 1984 | Boston Red Sox | 9-5 | at Seattle Mariners | ||
| Jul 14, 1984 | Seattle Mariners | 5-4 | at Seattle Mariners | ||
| Jul 15, 1984 | Boston Red Sox | 11-3 | at Seattle Mariners | ||
| 1983 (7-5) | Apr 26, 1983 | Seattle Mariners | 7-6 | at Seattle Mariners | |
| Apr 27, 1983 | Boston Red Sox | 2-1 | at Seattle Mariners | ||
| May 6, 1983 | Boston Red Sox | 6-4 | at Boston Red Sox | ||
| May 7, 1983 | Boston Red Sox | 8-0 | at Boston Red Sox | ||
| May 8, 1983 | Seattle Mariners | 4-2 | at Boston Red Sox | ||
| Jul 11, 1983 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| Jul 12, 1983 | Seattle Mariners | 3-2 | at Boston Red Sox | ||
| Jul 13, 1983 | Seattle Mariners | 6-4 | at Boston Red Sox | ||
| Jul 21, 1983 | Boston Red Sox | 14-13 | at Seattle Mariners | ||
| Jul 22, 1983 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| Jul 23, 1983 | Seattle Mariners | 5-0 | at Seattle Mariners | ||
| Jul 24, 1983 | Boston Red Sox | 6-0 | at Seattle Mariners | ||
| 1982 (7-5) | May 18, 1982 | Seattle Mariners | 3-0 | at Boston Red Sox | |
| May 19, 1982 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| May 20, 1982 | Boston Red Sox | 11-2 | at Boston Red Sox | ||
| May 27, 1982 | Seattle Mariners | 10-6 | at Seattle Mariners | ||
| May 28, 1982 | Boston Red Sox | 3-2 | at Seattle Mariners | ||
| May 29, 1982 | Seattle Mariners | 4-2 | at Seattle Mariners | ||
| May 30, 1982 | Seattle Mariners | 2-1 | at Seattle Mariners | ||
| Aug 23, 1982 | Boston Red Sox | 4-3 | at Seattle Mariners | ||
| Aug 24, 1982 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| Sep 3, 1982 | Boston Red Sox | 10-8 | at Boston Red Sox | ||
| Sep 4, 1982 | Seattle Mariners | 4-3 | at Boston Red Sox | ||
| Sep 5, 1982 | Boston Red Sox | 6-5 | at Boston Red Sox | ||
| 1981 (9-3) | May 18, 1981 | Boston Red Sox | 8-5 | at Boston Red Sox | |
| May 19, 1981 | Boston Red Sox | 4-0 | at Boston Red Sox | ||
| Jun 8, 1981 | Seattle Mariners | 2-0 | at Seattle Mariners | ||
| Jun 9, 1981 | Boston Red Sox | 10-1 | at Seattle Mariners | ||
| Jun 10, 1981 | Boston Red Sox | 4-2 | at Seattle Mariners | ||
| Aug 21, 1981 | Boston Red Sox | 7-4 | at Seattle Mariners | ||
| Aug 22, 1981 | Boston Red Sox | 5-3 | at Seattle Mariners | ||
| Aug 23, 1981 | Boston Red Sox | 7-5 | at Seattle Mariners | ||
| Sep 3, 1981 | Seattle Mariners | 8-7 | at Boston Red Sox | ||
| Sep 4, 1981 | Seattle Mariners | 5-2 | at Boston Red Sox | ||
| Sep 5, 1981 | Boston Red Sox | 12-5 | at Boston Red Sox | ||
| Sep 6, 1981 | Boston Red Sox | 6-1 | at Boston Red Sox | ||
| 1980 (7-5) | Jun 9, 1980 | Seattle Mariners | 8-7 | at Seattle Mariners | |
| Jun 10, 1980 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| Jun 11, 1980 | Boston Red Sox | 7-5 | at Seattle Mariners | ||
| Jun 18, 1980 | Boston Red Sox | 6-2 | at Boston Red Sox | ||
| Jun 19, 1980 | Boston Red Sox | 2-0 | at Boston Red Sox | ||
| Aug 22, 1980 | Boston Red Sox | 1-0 | at Seattle Mariners | ||
| Aug 23, 1980 | Seattle Mariners | 3-1 | at Seattle Mariners | ||
| Aug 24, 1980 | Boston Red Sox | 10-7 | at Seattle Mariners | ||
| Sep 4, 1980 | Seattle Mariners | 7-4 | at Boston Red Sox | ||
| Sep 5, 1980 | Seattle Mariners | 4-2 | at Boston Red Sox | ||
| Sep 6, 1980 | Boston Red Sox | 5-1 | at Boston Red Sox | ||
| Sep 7, 1980 | Seattle Mariners | 12-6 | at Boston Red Sox |
1970s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 1979 (8-4) | Apr 24, 1979 | Boston Red Sox | 4-3 | at Seattle Mariners | |
| Apr 25, 1979 | Boston Red Sox | 4-1 | at Seattle Mariners | ||
| Apr 26, 1979 | Boston Red Sox | 2-0 | at Seattle Mariners | ||
| May 4, 1979 | Boston Red Sox | 5-3 | at Boston Red Sox | ||
| May 5, 1979 | Boston Red Sox | 11-4 | at Boston Red Sox | ||
| May 6, 1979 | Seattle Mariners | 3-2 | at Boston Red Sox | ||
| Jul 6, 1979 | Seattle Mariners | 5-3 | at Seattle Mariners | ||
| Jul 7, 1979 | Boston Red Sox | 10-8 | at Seattle Mariners | ||
| Jul 8, 1979 | Boston Red Sox | 8-2 | at Seattle Mariners | ||
| Jul 19, 1979 | Boston Red Sox | 7-1 | at Boston Red Sox | ||
| Jul 20, 1979 | Seattle Mariners | 8-0 | at Boston Red Sox | ||
| Jul 21, 1979 | Seattle Mariners | 13-5 | at Boston Red Sox | ||
| 1978 (7-3) | Jun 9, 1978 | Boston Red Sox | 3-2 | at Seattle Mariners | |
| Jun 10, 1978 | Boston Red Sox | 13-1 | at Seattle Mariners | ||
| Jun 11, 1978 | Boston Red Sox | 5-3 | at Seattle Mariners | ||
| Jun 16, 1978 | Boston Red Sox | 6-3 | at Boston Red Sox | ||
| Jun 17, 1978 | Boston Red Sox | 5-4 | at Boston Red Sox | ||
| Jun 18, 1978 | Seattle Mariners | 3-2 | at Boston Red Sox | ||
| Aug 22, 1978 | Seattle Mariners | 5-2 | at Seattle Mariners | ||
| Aug 23, 1978 | Seattle Mariners | 5-3 | at Seattle Mariners | ||
| Aug 28, 1978 | Boston Red Sox | 10-9 | at Boston Red Sox | ||
| Aug 29, 1978 | Boston Red Sox | 10-5 | at Boston Red Sox | ||
| 1977 (10-1) | May 3, 1977 | Seattle Mariners | 10-8 | at Boston Red Sox | |
| May 4, 1977 | Boston Red Sox | 5-2 | at Boston Red Sox | ||
| May 5, 1977 | Boston Red Sox | 5-2 | at Boston Red Sox | ||
| May 13, 1977 | Boston Red Sox | 7-5 | at Seattle Mariners | ||
| May 14, 1977 | Boston Red Sox | 8-4 | at Seattle Mariners | ||
| May 15, 1977 | Boston Red Sox | 5-4 | at Seattle Mariners | ||
| Aug 2, 1977 | Boston Red Sox | 3-2 | at Seattle Mariners | ||
| Aug 3, 1977 | Boston Red Sox | 12-4 | at Seattle Mariners | ||
| Aug 12, 1977 | Boston Red Sox | 7-2 | at Boston Red Sox | ||
| Aug 13, 1977 | Boston Red Sox | 13-6 | at Boston Red Sox | ||
| Aug 14, 1977 | Boston Red Sox | 11-1 | at Boston Red Sox |