1998 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 1 | @ Athletics | 5 - 2 | Hanson (0-1) | 7078 | 10-17 |
| May 2 | @ Athletics | 7 - 0 | Oquist (0-1) | 10729 | 11-17 |
| May 3 | @ Athletics | 6 - 3 | Telgheder (0-1) | 23463 | 12-17 |
| May 4 | @ Athletics | 7 - 4 | Hentgen (3-3) | 5206 | 12-18 |
| May 5 | @ Angels | 13 - 11 | Percival (0-2) | 17271 | 13-18 |
| May 6 | @ Angels | 6 - 5 | Hasegawa (1-1) | 17392 | 14-18 |
| May 7 | @ Mariners | 6 - 0 | Moyer (2-4) | 24129 | 15-18 |
| May 8 | @ Mariners | 8 - 3 | Williams (3-2) | 29920 | 15-19 |
| May 9 | @ Mariners | 4 - 1 | Swift (2-2) | 49851 | 16-19 |