2001 Seattle Mariners season Game log May

| Date_ | Opponent | Score | Loss | Save_ | Attendance | Record |
|---|---|---|---|---|---|---|
| May 1 | Red Sox | 0–2 | Halama (2–2) | Arrojo (4) | 36642 | 20–6 |
| May 2 | Red Sox | 5–1 | Nomo (3–2) | – | 40170 | 21–6 |
| May 3 | Red Sox | 10–3 | Castillo (3–2) | – | 32513 | 22–6 |
| May 4 | Blue Jays | 3–8 | Abott (0–1) | – | 42284 | 22–7 |
| May 5 | Blue Jays | 7–5 | Borbón (0–2) | Sasaki (14) | 42894 | 23–7 |
| May 6 | Blue Jays | 3–11 | Halama (2–3) | – | 45080 | 23–8 |
| May 8 | @ Red Sox | 4–12 | Moyer (5–1) | – | 32941 | 23–9 |
| May 9 | @ Red Sox | 10–5 | Arrojo (1–1) | Sasaki (15) | 31616 | 24–9 |
| May 10 | @ Red Sox | 5–2 | Ohka (2–2) | Sasaki (16) | 31428 | 25–9 |