1977 Seattle Mariners season Game log July

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| July 25 | California Angels | 2-7 | Pole (6-7) | 10886 | 43-58 |
| July 26 | Minnesota Twins | 9-7 | Thormodsgard (7-8) | 12017 | 44-58 |
| July 27 | Minnesota Twins | 1-4 | House (3-5) | 16869 | 44-59 |
| July 28 | Minnesota Twins | 5-2 | Zahn (9-8) | 11759 | 45-59 |
| July 29 | Baltimore Orioles | 4-5 | Kekich (5-2) | 14313 | 45-60 |
| July 30 | Baltimore Orioles | 3-5 | Montague (5-8) | 31609 | 45-61 |
| July 31 | Baltimore Orioles | 6-1 | Palmer (12-9) | 11464 | 46-61 |