1990 Toronto Blue Jays season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 20 | @ Yankees | 6 - 5 (11) | Acker (2-3) | 21661 | 65-57 |
| August 21 | @ Yankees | 3 - 2 | Candelaria (7-6) | 22315 | 65-58 |
| August 22 | @ Yankees | 4 - 2 | Cerutti (8-9) | 25088 | 65-59 |
| August 23 | Red Sox | 4 - 3 | Hesketh (0-1) | 49918 | 66-59 |
| August 24 | Red Sox | 2 - 0 | Ward (2-7) | 49914 | 66-60 |
| August 25 | Red Sox | 1 - 0 | Wells (9-4) | 49890 | 66-61 |
| August 26 | Red Sox | 1 - 0 | Stottlemyre (11-14) | 49897 | 66-62 |
| August 27 | Brewers | 4 - 2 | Acker (2-4) | 49892 | 66-63 |
| August 28 | Brewers | 6 - 2 | Stieb (16-5) | 49871 | 66-64 |
| August 29 | Brewers | 7 - 3 | Knudson (10-7) | 49909 | 67-64 |
| August 31 | @ Indians | 12 - 8 | Swindell (10-8) | 12508 | 68-64 |