1989 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 10 | Mariners | 3 - 2 | Langston (4-4) | 33216 | 12-21 |
| May 12 | @ Twins | 6 - 5 | Wells (1-2) | 24073 | 12-22 |
| May 13 | @ Twins | 10 - 8 | Stieb (3-1) | 29712 | 12-23 |
| May 14 | @ Twins | 13 - 1 | Flanagan (2-3) | 33980 | 12-24 |
| May 15 | Indians | 5 - 3 | Farrell (2-3) | 22330 | 13-24 |
| May 16 | Indians | 7 - 6 | Atherton (0-2) | 23214 | 14-24 |
| May 17 | Indians | 6 - 3 | Stieb (3-2) | 24406 | 14-25 |
| May 19 | @ White Sox | 9 - 3 | King (4-4) | 11282 | 15-25 |
| May 20 | @ White Sox | 11 - 1 | Hillegas (1-5) | 18029 | 16-25 |
| May 21 | @ White Sox | 9 - 3 | Pérez (2-5) | 16488 | 17-25 |