1989 Oakland Athletics season Game log April

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| April 15 | @ White Sox | 7–4 | Welch (2–1) | 15748 | 7–5 |
| April 16 | @ White Sox | 3–2 | King (0–3) | 20969 | 8–5 |
| April 17 | @ Mariners | 7–2 | C. Young (0–3) | 14827 | 8–6 |
| April 18 | @ Mariners | 5–3 | Reed (1–2) | 9670 | 9–6 |
| April 19 | @ Mariners | 7–5 | Langston (2–2) | 11328 | 10–6 |
| April 21 | Angels | 10–6 | Finley (2–2) | 26903 | 11–6 |
| April 22 | Angels | 4–3 | Blyleven (2–1) | 33172 | 12–6 |
| April 23 | Angels | 2–0 | McCaskill (3–1) | 25681 | 13–6 |
| April 24 | Blue Jays | 5–4 | Henke (1–2) | 25099 | 14–6 |
| April 25 | Blue Jays | 3–1 | Cerutti (0–1) | 12437 | 15–6 |
| April 26 | Orioles | 2–1 | Welch (3–2) | 17060 | 15–7 |
| April 27 | Orioles | 9–4 | Thurmond (0–1) | 21423 | 16–7 |