Seattle Mariners vs Boston Red Sox
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | R |
|---|---|---|---|---|---|---|---|---|---|---|---|
 SEA | 1 | 0 | 1 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 8 |
 BOS | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 1 | 9 |
Who won: Red Sox 9-8
The Boston Red Sox beat the Seattle Mariners 9-8 in 10 innings on Monday, August 31, 2026 at Fenway Park. The Mariners win the series 2-1. The Red Sox outscored the Mariners 2-0 in the 2nd inning. Jarren Duran went 1-for-4 with a home run and 2 RBI for the Red Sox. Randy Arozarena went 4-for-5 with a home run and 4 RBI for the Mariners.
