1977 Seattle Mariners season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 22 | Cleveland Indians | 4-3 | Garland (10-15) | 12347 | 51-77 |
| August 24 | Toronto Blue Jays | 0-7 | Pole (7-11) | DH | 51-78 |
| August 24 | Toronto Blue Jays | 3-9 | Abbott (10-9) | 13253 | 51-79 |
| August 26 | @ Cleveland Indians | 4-2 | Kern (6-8) | 6707 | 52-79 |
| August 27 | @ Cleveland Indians | 0-10 | Galasso (0-5) | 7876 | 52-80 |
| August 28 | @ Cleveland Indians | 6-10 | Abbott (10-10) | 9599 | 52-81 |
| August 30 | @ New York Yankees | 5-6 | Segui (0-5) | 20116 | 52-82 |
| August 31 | @ New York Yankees | 4-5 | Galasso (0-6) | 17362 | 52-83 |