1977 Seattle Mariners season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 2 | Boston Red Sox | 2-3 | Montague (5-9) | 24344 | 46-62 |
| August 3 | Boston Red Sox | 12-4 | Wheelock (6-7) | 21152 | 46-63 |
| August 5 | New York Yankees | 5-3 | Figueroa (10-8) | 36833 | 47-63 |
| August 6 | New York Yankees | 9-2 | Hunter (6-7) | 42146 | 48-63 |
| August 7 | New York Yankees | 1-7 | Montague (5-10) | 29412 | 48-64 |
| August 8 | @ Chicago White Sox | 4-5 | Romo (5-8) | 17047 | 48-65 |
| August 9 | @ Chicago White Sox | 3-13 | Wheelock (6-8) | 12294 | 48-66 |
| August 10 | @ Baltimore Orioles | 4-5 | Pole (7-8) | 7579 | 48-67 |
| August 11 | @ Baltimore Orioles | 3-4 | Romo (5-9) | 7893 | 48-68 |