Colorado Rockies vs Seattle Mariners
Series timeline
▲ Colorado Rockies ahead (peak +1)
▼ Seattle Mariners ahead (peak +9)
Colorado Rockies Seattle Mariners Tie Postseason One meeting per cell
Longest streaks: Colorado Rockies 5 (2018–2020), Seattle Mariners 5 (2012–2015). Current: Seattle Mariners 1.
Splits
| Split | Colorado Rockies record |
|---|---|
| Regular season | 27-36 |
| Hosted by Colorado Rockies | 14-16 |
| Hosted by Seattle Mariners | 13-20 |
| Last 10 seasons (2012 to 2026) | 15-23 |
| Largest Colorado Rockies win | 8-2 (2001) |
| Largest Seattle Mariners win | 10-2 (2024) |
Every meeting
2020s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2026 (1-2) | Sep 18, 2026 | Seattle Mariners | 5-4 | at Colorado Rockies | |
| Sep 19, 2026 | Colorado Rockies | 5-3 | at Colorado Rockies | ||
| Sep 20, 2026 | Seattle Mariners | 2-1 | at Colorado Rockies | ||
| 2025 (0-3) | Sep 23, 2025 | Seattle Mariners | 4-3 | at Seattle Mariners | |
| Sep 24, 2025 | Seattle Mariners | 9-2 | at Seattle Mariners | ||
| Sep 25, 2025 | Seattle Mariners | 6-2 | at Seattle Mariners | ||
| 2024 (1-2) | Apr 20, 2024 | Seattle Mariners | 7-0 | at Colorado Rockies | |
| Apr 21, 2024 | Colorado Rockies | 2-1 | at Colorado Rockies | ||
| Apr 21, 2024 | Seattle Mariners | 10-2 | at Colorado Rockies | ||
| 2023 (0-3) | Apr 14, 2023 | Seattle Mariners | 5-3 | at Seattle Mariners | |
| Apr 15, 2023 | Seattle Mariners | 9-2 | at Seattle Mariners | ||
| Apr 16, 2023 | Seattle Mariners | 1-0 | at Seattle Mariners | ||
| 2021 (2-2) | Jun 22, 2021 | Seattle Mariners | 2-1 | at Seattle Mariners | |
| Jun 23, 2021 | Colorado Rockies | 5-2 | at Seattle Mariners | ||
| Jul 20, 2021 | Seattle Mariners | 6-4 | at Colorado Rockies | ||
| Jul 21, 2021 | Colorado Rockies | 6-3 | at Colorado Rockies | ||
| 2020 (2-1) | Aug 7, 2020 | Colorado Rockies | 8-4 | at Seattle Mariners | |
| Aug 8, 2020 | Colorado Rockies | 5-0 | at Seattle Mariners | ||
| Aug 9, 2020 | Seattle Mariners | 5-3 | at Seattle Mariners |
2010s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2018 (5-1) | Jul 6, 2018 | Colorado Rockies | 7-1 | at Seattle Mariners | |
| Jul 7, 2018 | Colorado Rockies | 5-1 | at Seattle Mariners | ||
| Jul 8, 2018 | Seattle Mariners | 6-4 | at Seattle Mariners | ||
| Jul 13, 2018 | Colorado Rockies | 10-7 | at Colorado Rockies | ||
| Jul 14, 2018 | Colorado Rockies | 4-1 | at Colorado Rockies | ||
| Jul 15, 2018 | Colorado Rockies | 4-3 | at Colorado Rockies | ||
| 2017 (1-3) | May 29, 2017 | Seattle Mariners | 6-5 | at Colorado Rockies | |
| May 30, 2017 | Seattle Mariners | 10-4 | at Colorado Rockies | ||
| May 31, 2017 | Seattle Mariners | 5-0 | at Seattle Mariners | ||
| Jun 1, 2017 | Colorado Rockies | 6-3 | at Seattle Mariners | ||
| 2015 (3-3) | Aug 3, 2015 | Seattle Mariners | 8-7 | at Colorado Rockies | |
| Aug 4, 2015 | Seattle Mariners | 10-4 | at Colorado Rockies | ||
| Aug 5, 2015 | Colorado Rockies | 7-5 | at Colorado Rockies | ||
| Sep 11, 2015 | Colorado Rockies | 4-2 | at Seattle Mariners | ||
| Sep 12, 2015 | Seattle Mariners | 7-2 | at Seattle Mariners | ||
| Sep 13, 2015 | Colorado Rockies | 3-2 | at Seattle Mariners | ||
| 2012 (0-3) | May 18, 2012 | Seattle Mariners | 4-0 | at Colorado Rockies | |
| May 19, 2012 | Seattle Mariners | 10-3 | at Colorado Rockies | ||
| May 20, 2012 | Seattle Mariners | 6-4 | at Colorado Rockies |
2000s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2009 (3-0) | Jun 12, 2009 | Colorado Rockies | 6-4 | at Colorado Rockies | |
| Jun 13, 2009 | Colorado Rockies | 5-3 | at Colorado Rockies | ||
| Jun 14, 2009 | Colorado Rockies | 7-1 | at Colorado Rockies | ||
| 2006 (2-1) | Jun 30, 2006 | Colorado Rockies | 2-0 | at Seattle Mariners | |
| Jul 1, 2006 | Seattle Mariners | 8-7 | at Seattle Mariners | ||
| Jul 2, 2006 | Colorado Rockies | 4-3 | at Seattle Mariners | ||
| 2002 (1-2) | Jun 28, 2002 | Seattle Mariners | 6-2 | at Seattle Mariners | |
| Jun 29, 2002 | Seattle Mariners | 8-1 | at Seattle Mariners | ||
| Jun 30, 2002 | Colorado Rockies | 4-3 | at Seattle Mariners | ||
| 2001 (1-2) | Jun 12, 2001 | Seattle Mariners | 10-9 | at Colorado Rockies | |
| Jun 14, 2001 | Colorado Rockies | 8-2 | at Colorado Rockies | ||
| Jun 14, 2001 | Seattle Mariners | 5-1 | at Colorado Rockies | ||
| 2000 (1-2) | Jun 5, 2000 | Seattle Mariners | 6-2 | at Seattle Mariners | |
| Jun 6, 2000 | Seattle Mariners | 4-1 | at Seattle Mariners | ||
| Jun 7, 2000 | Colorado Rockies | 6-1 | at Seattle Mariners |
1990s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 1999 (1-2) | Jun 7, 1999 | Seattle Mariners | 4-2 | at Colorado Rockies | |
| Jun 8, 1999 | Seattle Mariners | 10-5 | at Colorado Rockies | ||
| Jun 9, 1999 | Colorado Rockies | 16-11 | at Colorado Rockies | ||
| 1998 (1-2) | Jun 30, 1998 | Colorado Rockies | 6-4 | at Seattle Mariners | |
| Jul 1, 1998 | Seattle Mariners | 9-5 | at Seattle Mariners | ||
| Jul 2, 1998 | Seattle Mariners | 10-3 | at Seattle Mariners | ||
| 1997 (2-2) | Jun 12, 1997 | Seattle Mariners | 12-11 | at Seattle Mariners | |
| Jun 13, 1997 | Seattle Mariners | 6-1 | at Seattle Mariners | ||
| Aug 28, 1997 | Colorado Rockies | 9-5 | at Colorado Rockies | ||
| Aug 29, 1997 | Colorado Rockies | 6-5 | at Colorado Rockies |