1998 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 10 | @ Mariners | 3 - 1 | Guzmán (1-5) | 39249 | 16-20 |
| May 12 | Athletics | 4 - 3 (10) | Taylor (0-3) | 25636 | 17-20 |
| May 13 | Athletics | 4 - 2 | Clemens (4-4) | 25732 | 17-21 |
| May 14 | Angels | 5 - 4 | DeLucia (1-2) | 25606 | 18-21 |
| May 15 | Angels | 9 - 1 | Hill (6-2) | 26644 | 19-21 |
| May 16 | Mariners | 8 - 1 | Guzmán (1-6) | 31121 | 19-22 |
| May 17 | Mariners | 4 - 3 | Slocumb (1-3) | 28111 | 20-22 |
| May 18 | Mariners | 9 - 4 | Clemens (4-5) | 28125 | 20-23 |
| May 19 | Devil Rays | 3 - 1 | Springer (1-7) | 25662 | 21-23 |
| May 20 | Devil Rays | 9 - 1 | Álvarez (4-5) | 26107 | 22-23 |