1990 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 19 | Angels | 11 - 9 | Ward (1-1) | 49335 | 20-18 |
| May 20 | Angels | 5 - 1 | Langston (3-4) | 49421 | 21-18 |
| May 21 | Athletics | 4 - 1 | Stottlemyre (4-5) | 49471 | 21-19 |
| May 22 | Athletics | 5 - 4 | Wills (3-2) | 49559 | 21-20 |
| May 23 | @ Angels | 5 - 4 | Ward (1-2) | 25179 | 21-21 |
| May 24 | @ Angels | 4 - 3 (11) | Henke (0-1) | 24460 | 21-22 |
| May 25 | @ Mariners | 3 - 1 (11) | Swift (2-2) | 15334 | 22-22 |
| May 26 | @ Mariners | 11 - 4 | Holman (6-3) | 25004 | 23-22 |
| May 27 | @ Mariners | 5 - 1 | Johnson (3-3) | 25858 | 24-22 |
| May 28 | @ Athletics | 1 - 0 | Moore (4-4) | 45005 | 25-22 |