1989 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 2 | Athletics | 8 - 5 | Ward (1-4) | 23439 | 9-17 |
| May 3 | Athletics | 2 - 0 | Moore (3-2) | 22370 | 10-17 |
| May 4 | Angels | 3 - 2 (10) | Ward (1-5) | 21188 | 10-18 |
| May 5 | Angels | 5 - 3 | Cerutti (0-2) | 24188 | 10-19 |
| May 6 | Angels | 5 - 4 | Ward (1-6) | 39123 | 10-20 |
| May 7 | Angels | Postponed (rain) Rescheduled for July 17 | Postponed (rain) Rescheduled for July 17 | Postponed (rain) Rescheduled for July 17 | Postponed (rain) Rescheduled for July 17 |
| May 8 | Mariners | 10 - 1 | Dunne (1-2) | 23293 | 11-20 |
| May 9 | Mariners | 4 - 3 | Flanagan (2-2) | 24234 | 12-20 |