Head to Head
| MLB | 2021/04/25 17:10 | SEA Mariners v BOS Red Sox | W | 3-5 |
| MLB | 2021/04/24 17:10 | SEA Mariners v BOS Red Sox | L | 8-2 |
| MLB | 2021/04/23 23:10 | SEA Mariners v BOS Red Sox | W | 5-6 |
| MLB | 2021/04/22 23:10 | SEA Mariners v BOS Red Sox | L | 7-3 |
| MLB | 2019/05/12 17:05 | SEA Mariners v BOS Red Sox | W | 2-11 |
| MLB | 2019/05/11 17:05 | SEA Mariners v BOS Red Sox | W | 5-9 |
| MLB | 2019/05/10 23:10 | SEA Mariners v BOS Red Sox | W | 1-14 |
| MLB | 2019/03/31 20:10 | BOS Red Sox v SEA Mariners | L | 8-10 |
Home History
| MLB | 2021/07/09 23:10 | PHI Phillies v BOS Red Sox | W | 5-11 |
| MLB | 2021/07/07 20:07 | BOS Red Sox v LA Angels | L | 4-5 |
| MLB | 2021/07/07 01:38 | BOS Red Sox v LA Angels | L | 3-5 |
| MLB | 2021/07/06 01:38 | BOS Red Sox v LA Angels | W | 5-4 |
| MLB | 2021/07/04 20:07 | BOS Red Sox v OAK Athletics | W | 1-0 |
| MLB | 2021/07/03 23:15 | BOS Red Sox v OAK Athletics | L | 6-7 |
| MLB | 2021/07/03 01:40 | BOS Red Sox v OAK Athletics | W | 3-2 |
| MLB | 2021/07/01 17:10 | KC Royals v BOS Red Sox | W | 1-15 |
Away History
| MLB | 2021/07/10 02:10 | LA Angels v SEA Mariners | W | 3-7 |
| MLB | 2021/07/08 20:10 | NY Yankees v SEA Mariners | W | 0-4 |
| MLB | 2021/07/08 02:10 | NY Yankees v SEA Mariners | L | 5-4 |
| MLB | 2021/07/07 02:10 | NY Yankees v SEA Mariners | L | 12-1 |
| MLB | 2021/07/04 20:10 | TEX Rangers v SEA Mariners | W | 1-4 |
| MLB | 2021/07/04 02:10 | TEX Rangers v SEA Mariners | L | 7-3 |
| MLB | 2021/07/03 02:10 | TEX Rangers v SEA Mariners | W | 4-5 |
| MLB | 2021/07/01 17:07 | SEA Mariners v TOR Blue Jays | W | 7-2 |