1989 Oakland Athletics season Game log July

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| July 14 | @ Blue Jays | 4–1 | Welch (10–5) | 48325 | 54–36 |
| July 15 | @ Blue Jays | 6–1 | Stewart (13–5) | 48238 | 54–37 |
| July 16 | @ Blue Jays | 6–2 | Cerutti (5–5) | 48405 | 55–37 |
| July 17 | @ Tigers | 2–1 | Nelson (2–4) | 21844 | 55–38 |
| July 18 | @ Tigers | 7–2 | Beard (0–1) | 21792 | 56–38 |
| July 20 | Orioles | 5–2 | Schmidt (8–9) | 30697 | 57–38 |
| July 21 | Orioles | 3–2 | Olson (3–1) | 30848 | 58–38 |
| July 22 | Orioles | 3–1 | Harnisch (1–3) | 37241 | 59–38 |
| July 23 | Orioles | 3–2 | Ballard (11–5) | 43570 | 60–38 |
| July 24 | Angels | 5–4 | Nelson (2–5) | 44548 | 60–39 |
| July 25 | Angels | 4–0 | Stewart (14–6) | 43529 | 60–40 |
| July 26 | Angels | 9–5 | Witt (7–8) | 44588 | 61–40 |