1988 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 11 | Mariners | 9 - 3 | Moore (2-4) | 27575 | 14-18 |
| May 12 | Mariners | 8 - 2 | Swift (2-1) | 30334 | 15-18 |
| May 13 | @ White Sox | 4 - 1 | Stottlemyre (1-4) | 10583 | 15-19 |
| May 14 | @ White Sox | 7 - 5 | Cerutti (1-2) | 23532 | 15-20 |
| May 15 | @ White Sox | 6 - 5 (11) | Eichhorn (0-2) | 13948 | 15-21 |
| May 16 | @ White Sox | 5 - 1 | Horton (3-6) | 8310 | 16-21 |
| May 17 | Rangers | 7 - 6 (14) | Eichhorn (0-3) | 25170 | 16-22 |
| May 18 | Rangers | 4 - 0 | Stottlemyre (1-5) | 25029 | 16-23 |
| May 20 | @ Brewers | 3 - 1 | Wegman (4-5) | 19539 | 17-23 |