2008 Seattle Mariners season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 1 | Orioles | 10 - 5 | Washburn (5-10) | 28114 | 41-68 |
| August 2 | Orioles | 3 - 1 | Hernández (7-7) | 30502 | 41-69 |
| August 3 | Orioles | 8 - 4 | Cabrera (7-7) | 33334 | 42-69 |
| August 4 | Twins | 11 - 6 | Bass (3-4) | 27758 | 43-69 |
| August 5 | Twins | 8 - 7 | Guerrier (6-5) | 26083 | 44-69 |
| August 6 | Twins | 7 - 3 | Washburn (5-11) | 30441 | 44-70 |
| August 7 | Rays | 2 - 1 | Wheeler (2-5) | 25423 | 45-70 |
| August 8 | Rays | 5 - 3 | Silva (4-13) | 30220 | 45-71 |
| August 9 | Rays | 8 - 7 (11) | Batista (4-12) | 27905 | 45-72 |