1990 Toronto Blue Jays season Game log June

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| June 22 | Yankees | 8 - 7 (15) | Blair (0-4) | 49908 | 39-30 |
| June 23 | Yankees | 8 - 4 | Leary (3-10) | 49858 | 40-30 |
| June 24 | Yankees | 8 - 3 | Cary (4-3) | 49806 | 41-30 |
| June 25 | @ Red Sox | 10 - 8 | Blair (0-5) | 32591 | 41-31 |
| June 26 | @ Red Sox | 3 - 0 | Wells (5-2) | 23244 | 41-32 |
| June 27 | @ Red Sox | 9 - 5 | Key (4-3) | 32961 | 41-33 |
| June 28 | @ Red Sox | 4 - 3 | Stottlemyre (8-7) | 34547 | 41-34 |
| June 29 | Athletics | 5 - 0 | Cerutti (4-6) | 49817 | 41-35 |
| June 30 | Athletics | 9 - 4 | Stieb (10-3) | 49865 | 41-36 |