1980 Toronto Blue Jays season Game log August

| Date_ | Opponent | Score | Loss | Record |
|---|---|---|---|---|
| August 13 | @ Brewers | 5–4 | McLaughlin (4–7) | 48–64 |
| August 14 | @ Brewers | 4–2 | Stieb (10–9) | 48–65 |
| August 15 | @ Royals | 4–3 | Jefferson (4–10) | 48–66 |
| August 16 | @ Royals | 11–5 | Kucek (3–5) | 48–67 |
| August 17 | @ Royals | 8–3 | Clancy (11–9) | 48–68 |
| August 19 | @ Twins | 4–3 | Corbett (8–5) | 49–68 |
| August 20 | @ Twins | 10–4 | Zahn (10–16) | 50–68 |
| August 21 | @ White Sox | 5–3 | Jefferson (4–11) | 50–69 |
| August 22 | @ White Sox | 2–0 | Clancy (11–10) | 50–70 |
| August 23 | @ White Sox | 5–1 | Kucek (3–6) | 50–71 |
| August 24 | @ White Sox | 7–3 | Baumgarten (2–8) | 51–71 |
| August 25 | Rangers | 5–1 | Todd (1–1) | 51–72 |
| August 26 | Rangers | 8–0 | Jefferson (4–12) | 51–73 |