Jim Barr (10–9) || Dick Ruthven (1–1) || None || 35,405 || 64–51 |- style="background:#fbb" | 116 || August 11 || Dodgers || 1–7 || Andy Messersmith (14–11) || Larry Christenson (6–4) || None || 33,175 || 64–52 |- style="background:#fbb" | 117 || August 12 || Dodgers || 6–7 (10) || Mike Marshall (8–11) || Gene Garber (9–7) || None || 36,512 || 64–53 |- style="background:#fbb" | 118 || August 13 || Dodgers || 4–5 || Burt Hooton (10–9) || Steve Carlton (11–9) || Mike Marshall (10) || || 64–54 |- style="background:#bfb" | 119 || August 15 || Padres || 4–3 || Tom Hilgendorf (3–3) || Joe McIntosh (8–11) || Tug McGraw (10) || 30,601 || 65–54 |- style="background:#fbb" | 120 || August 16 || Padres || 1–5 || Randy Jones (16–7) || Tug McGraw (7–5) || None || 40,127 || 65–55 |- style="background:#bfb" | 121 || August 17 || Padres || 10–4 || Tom Underwood (12–8) || Dave Freisleben (5–13) || Gene Garber (9) || 29,317 || 66–55 |- style="background:#bfb" | 122 || August 18 || @ Braves || 6–3 || Tom Hilgendorf (4–3) || Phil Niekro (12–11) || None || 4,320 || 67–55 |- style="background:#fbb" | 123 || August 19 || @ Braves || 4–6 || Max León (2–1) || Gene Garber (9–8) || None || 4,470 || 67–56 |- style="background:#bfb" | 124 || August 20 || @ Braves || 4–1 || Larry Christenson (7–4) || Carl Morton (15–13) || Tug McGraw (11) || 4,704 || 68–56 |- style="background:#bfb" | 125 || August 22 || @ Padres || 6–5 || Tom Hilgendorf (5–3) || Bill Greif (3–5) || Gene Garber (10) || 13,426 || 69–56 |- style="background:#fbb" | 126 || August 23 || @ Padres || 3–8 || Dan Spillner (5–10) || Steve Carlton (11–10) || Danny Frisella (8) || 9,578 || 69–57 |- style="background:#fbb" | 127 || August 24 (1) || @ Padres || 2–7 || Randy Jones (17–7) || Dick Ruthven (1–2) || None || see 2nd game || 69–58 |- style="background:#fbb" | 128 || August 24 (2) || @ Padres || 6–7 (12) || Bill Greif (4–5) || Ron Schueler (4–4) || None || 17,870 || 69–59 |- style="background:#bfb" | 129 || August 25 || @ Dodgers || 4–2 || Larry Christenson (8–4) || Andy Messersmith (14–13) || Gene Garber (11) || 20,048 || 70–59 |- style="background:#fbb" | 130 || August 26 || @ Dodgers