1988 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 21 | @ Brewers | 4 - 0 | Bosio (6-4) | 38124 | 18-23 |
| May 22 | @ Brewers | 7 - 1 | Flanagan (4-3) | 37658 | 18-24 |
| May 23 | @ Brewers | 9 - 7 | Stottlemyre (1-6) | 10523 | 18-25 |
| May 24 | @ Rangers | 13 - 2 | Hayward (3-1) | 26408 | 19-25 |
| May 25 | @ Rangers | 5 - 1 | Clancy (2-5) | 13528 | 19-26 |
| May 26 | @ Rangers | 8 - 7 | Henke (0-1) | 13035 | 19-27 |
| May 27 | White Sox | 4 - 3 | Thigpen (1-5) | 31454 | 20-27 |
| May 28 | White Sox | 3 - 2 | Stottlemyre (1-7) | 42420 | 20-28 |
| May 29 | White Sox | 4 - 2 | LaPoint (4-4) | 42057 | 21-28 |
| May 30 | Brewers | 4 - 1 | Clancy (2-6) | 27275 | 21-29 |
| May 31 | Brewers | 9 - 0 | Bosio (6-6) | 28446 | 22-29 |