1990 Toronto Blue Jays season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 10 | Twins | 7 - 3 | Cerutti (8-8) | 49888 | 59-54 |
| August 11 | Twins | 7 - 4 | Leach (2-4) | 49873 | 60-54 |
| August 12 | Twins | 5 - 4 | Key (7-6) | 49892 | 60-55 |
| August 13 | @ White Sox | 4 - 3 | Thigpen (4-5) | 28961 | 61-55 |
| August 14 | @ White Sox | 12 - 4 | Hibbard (9-7) | 24314 | 62-55 |
| August 15 | @ White Sox | 4 - 3 | Candelaria (7-5) | 27947 | 62-56 |
| August 17 | @ Twins | 5 - 1 | Erickson (3-3) | 28173 | 63-56 |
| August 18 | @ Twins | 3 - 0 | Anderson (5-16) | 32605 | 64-56 |
| August 19 | @ Twins | 9 - 1 | Guthrie (4-6) | 29004 | 65-56 |