1988 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 1 | Angels | 6 - 4 | Witt (1-3) | 36115 | 10-13 |
| May 2 | @ Mariners | 7 - 5 | Flanagan (2-2) | 13197 | 10-14 |
| May 3 | @ Mariners | 9 - 2 | Campbell (2-3) | 9970 | 11-14 |
| May 4 | @ Athletics | 3 - 2 | Clancy (1-3) | 21401 | 11-15 |
| May 5 | @ Athletics | 8 - 5 | Núñez (0-1) | 16998 | 11-16 |
| May 6 | @ Angels | 3 - 2 | Witt (1-4) | 29237 | 12-16 |
| May 7 | @ Angels | 9 - 4 | Fraser (3-2) | 32630 | 13-16 |
| May 8 | @ Angels | 8 - 1 | Stottlemyre (1-3) | 29026 | 13-17 |
| May 10 | Mariners | 4 - 2 | Clancy (1-4) | 28290 | 13-18 |