Boston Red Sox vs Pittsburgh Pirates
Series timeline
▲ Boston Red Sox ahead (peak +5)
▼ Pittsburgh Pirates ahead (peak +2)
Boston Americans Boston Red Sox Pittsburgh Pirates Tie Postseason One meeting per cell
Longest streaks: Boston Red Sox 6 (1903–2003), Pittsburgh Pirates 4 (2022–2023). Current: Pittsburgh Pirates 1.
Splits
| Split | Boston Red Sox record |
|---|---|
| Regular season | 15-15 |
| Postseason | 5-3 |
| Hosted by Boston Red Sox | 8-8 |
| Hosted by Pittsburgh Pirates | 12-10 |
| Last 10 seasons (2003 to 2026) | 15-15 |
| Largest Boston Red Sox win | 11-2 (1903) |
| Largest Pittsburgh Pirates win | 9-1 (2014) |
Postseason meetings
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 1903 | Oct 13, 1903 | Boston Americans | 3-0 | at Boston Americans | |
| 1903 | Oct 10, 1903 | Boston Americans | 7-3 | at Pittsburgh Pirates | |
| 1903 | Oct 8, 1903 | Boston Americans | 6-3 | at Pittsburgh Pirates | |
| 1903 | Oct 7, 1903 | Boston Americans | 11-2 | at Pittsburgh Pirates | |
| 1903 | Oct 6, 1903 | Pittsburgh Pirates | 5-4 | at Pittsburgh Pirates | |
| 1903 | Oct 3, 1903 | Pittsburgh Pirates | 4-2 | at Boston Americans | |
| 1903 | Oct 2, 1903 | Boston Americans | 3-0 | at Boston Americans | |
| 1903 | Oct 1, 1903 | Pittsburgh Pirates | 7-3 | at Boston Americans |
In the record book
- Longest gaps between meetings#1 in MLB#2 across all leagues
Every meeting
2020s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2026 (1-2) | Aug 14, 2026 | Pittsburgh Pirates | 8-4 | at Pittsburgh Pirates | |
| Aug 15, 2026 | Boston Red Sox | 4-0 | at Pittsburgh Pirates | ||
| Aug 16, 2026 | Pittsburgh Pirates | 8-3 | at Pittsburgh Pirates | ||
| 2025 (1-2) | Aug 29, 2025 | Pittsburgh Pirates | 4-2 | at Boston Red Sox | |
| Aug 30, 2025 | Pittsburgh Pirates | 10-3 | at Boston Red Sox | ||
| Aug 31, 2025 | Boston Red Sox | 5-2 | at Boston Red Sox | ||
| 2024 (3-0) | Apr 19, 2024 | Boston Red Sox | 8-1 | at Pittsburgh Pirates | |
| Apr 20, 2024 | Boston Red Sox | 4-2 | at Pittsburgh Pirates | ||
| Apr 21, 2024 | Boston Red Sox | 6-1 | at Pittsburgh Pirates | ||
| 2023 (0-3) | Apr 3, 2023 | Pittsburgh Pirates | 7-6 | at Boston Red Sox | |
| Apr 4, 2023 | Pittsburgh Pirates | 4-1 | at Boston Red Sox | ||
| Apr 5, 2023 | Pittsburgh Pirates | 4-1 | at Boston Red Sox | ||
| 2022 (2-1) | Aug 16, 2022 | Boston Red Sox | 5-3 | at Pittsburgh Pirates | |
| Aug 17, 2022 | Boston Red Sox | 8-3 | at Pittsburgh Pirates | ||
| Aug 18, 2022 | Pittsburgh Pirates | 8-2 | at Pittsburgh Pirates |
2010s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2017 (3-0) | Apr 3, 2017 | Boston Red Sox | 5-3 | at Boston Red Sox | |
| Apr 5, 2017 | Boston Red Sox | 3-0 | at Boston Red Sox | ||
| Apr 13, 2017 | Boston Red Sox | 4-3 | at Boston Red Sox | ||
| 2014 (0-3) | Sep 16, 2014 | Pittsburgh Pirates | 4-0 | at Pittsburgh Pirates | |
| Sep 17, 2014 | Pittsburgh Pirates | 9-1 | at Pittsburgh Pirates | ||
| Sep 18, 2014 | Pittsburgh Pirates | 3-2 | at Pittsburgh Pirates | ||
| 2011 (1-2) | Jun 24, 2011 | Pittsburgh Pirates | 3-1 | at Pittsburgh Pirates | |
| Jun 25, 2011 | Pittsburgh Pirates | 6-4 | at Pittsburgh Pirates | ||
| Jun 26, 2011 | Boston Red Sox | 4-2 | at Pittsburgh Pirates |
2000s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 2005 (2-1) | Jun 17, 2005 | Boston Red Sox | 6-5 | at Boston Red Sox | |
| Jun 18, 2005 | Pittsburgh Pirates | 2-0 | at Boston Red Sox | ||
| Jun 19, 2005 | Boston Red Sox | 8-0 | at Boston Red Sox | ||
| 2003 (2-1) | Jun 4, 2003 | Boston Red Sox | 11-4 | at Pittsburgh Pirates | |
| Jun 4, 2003 | Boston Red Sox | 8-3 | at Pittsburgh Pirates | ||
| Jun 5, 2003 | Pittsburgh Pirates | 5-4 | at Pittsburgh Pirates |
1900s
| Season | Date | Winner | Score | Site | Round |
|---|---|---|---|---|---|
| 1903 (5-3) | Oct 1, 1903 | Pittsburgh Pirates | 7-3 | at Boston Americans | Postseason |
| Oct 2, 1903 | Boston Americans | 3-0 | at Boston Americans | Postseason | |
| Oct 3, 1903 | Pittsburgh Pirates | 4-2 | at Boston Americans | Postseason | |
| Oct 6, 1903 | Pittsburgh Pirates | 5-4 | at Pittsburgh Pirates | Postseason | |
| Oct 7, 1903 | Boston Americans | 11-2 | at Pittsburgh Pirates | Postseason | |
| Oct 8, 1903 | Boston Americans | 6-3 | at Pittsburgh Pirates | Postseason | |
| Oct 10, 1903 | Boston Americans | 7-3 | at Pittsburgh Pirates | Postseason | |
| Oct 13, 1903 | Boston Americans | 3-0 | at Boston Americans | Postseason |