Head to Head
| MLB | 2019/03/28 23:08 | BOS Red Sox v SEA Mariners | L | 4-12 |
| MLB | 2018/06/24 17:05 | SEA Mariners v BOS Red Sox | W | 0-5 |
| MLB | 2018/06/23 23:15 | SEA Mariners v BOS Red Sox | L | 7-2 |
| MLB | 2018/06/22 23:10 | SEA Mariners v BOS Red Sox | W | 10-14 |
| MLB | 2018/06/17 20:10 | BOS Red Sox v SEA Mariners | W | 9-3 |
| MLB | 2018/06/17 00:15 | BOS Red Sox v SEA Mariners | L | 0-1 |
| MLB | 2018/06/16 02:10 | BOS Red Sox v SEA Mariners | L | 6-7 |
| MLB | 2018/06/15 02:10 | BOS Red Sox v SEA Mariners | W | 2-1 |
Home History
| MLB | 2019/03/28 23:08 | BOS Red Sox v SEA Mariners | L | 4-12 |
| MLB Spring Training | 2019/03/26 19:05 | BOS Red Sox v CHI Cubs | L | 7-16 |
| MLB Spring Training | 2019/03/26 01:05 | BOS Red Sox v CHI Cubs | L | 2-3 |
| MLB Spring Training | 2019/03/23 17:05 | BOS Red Sox v PIT Pirates | W | 12-3 |
| MLB Spring Training | 2019/03/22 22:05 | BOS Red Sox v MIN Twins | W | 10-6 |
| MLB Spring Training | 2019/03/21 22:05 | BOS Red Sox v TB Rays | W | 8-0 |
| MLB Spring Training | 2019/03/20 22:05 | BOS Red Sox v BAL Orioles | W | 6-4 |
| MLB Spring Training | 2019/03/18 17:05 | BOS Red Sox v MIN Twins | L | 1-4 |
Away History
| MLB | 2019/03/28 23:08 | BOS Red Sox v SEA Mariners | W | 4-12 |
| MLB Spring Training | 2019/03/26 20:10 | SD Padres v SEA Mariners | L | 1-0 |
| MLB Spring Training | 2019/03/26 02:10 | SD Padres v SEA Mariners | L | 8-0 |
| MLB Spring Training | 2019/03/23 01:40 | SEA Mariners v LA Angels | W | 8-7 |
| MLB Spring Training | 2019/03/22 01:40 | SEA Mariners v CIN Reds | W | 6-3 |
| MLB | 2019/03/21 09:35 | SEA Mariners v OAK Athletics | W | 5-4 |
| MLB | 2019/03/20 09:35 | SEA Mariners v OAK Athletics | W | 9-7 |
| MLB Spring Training | 2019/03/19 20:05 | CHI Cubs v SEA Mariners | L | 6-4 |