2004 Boston Red Sox season Game log July

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| July 11 | Rangers | 6 - 5 | Foulke (2-2) | 34778 | 48-38 |
| July 15 | @ Angels | 8 - 1 | Lowe (7-9) | 43623 | 48-39 |
| July 16 | @ Angels | 4 - 2 | Escobar (5-6) | 43771 | 49-39 |
| July 17 | @ Angels | 8 - 3 | Wakefield (5-6) | 43746 | 49-40 |
| July 18 | @ Angels | 6 - 2 | Lackey (7-9) | 43613 | 50-40 |
| July 19 | @ Mariners | 8 - 4 (11) | Leskanic (1-5) | 42898 | 50-41 |
| July 20 | @ Mariners | 9 - 7 | Piñeiro (5-11) | 46024 | 51-41 |
| July 21 | Orioles | 10 - 5 | Martínez (10-4) | 35023 | 51-42 |
| July 22 | Orioles | 8 - 3 | Alvarez (0-1) | 34697 | 51-43 |
| July 22 | Orioles | 4 - 0 | Borkowski (1-2) | 35370 | 52-43 |