|| Padres || 10–0 || Rick Wise (11–10) || Clay Kirby (3–17) || None || 3,824 || 50–72 |- style="background:#bfb" | 123 || August 23 || Padres || 7–6 || Lowell Palmer (2–6) || Frank Reberger (1–2) || Turk Farrell (3) || 4,669 || 51–72 |- style="background:#bfb" | 124 || August 24 || Padres || 6–4 || Woodie Fryman (10–10) || Tommie Sisk (0–8) || None || 4,761 || 52–72 |- style="background:#fbb" | 125 || August 26 || @ Giants || 4–13 || Gaylord Perry (16–10) || Jerry Johnson (6–10) || None || 5,208 || 52–73 |- style="background:#fbb" | 126 || August 27 || @ Giants || 7–8 (10) || Frank Linzy (11–6) || Turk Farrell (3–4) || None || 4,973 || 52–74 |- style="background:#fbb" | 127 || August 28 || @ Giants || 3–4 || Frank Linzy (12–6) || Bill Champion (4–7) || None || 5,555 || 52–75 |- style="background:#fbb" | 128 || August 29 || @ Dodgers || 5–6 || Pete Mikkelsen (6–3) || Woodie Fryman (10–11) || Ray Lamb (1) || 19,512 || 52–76 |- style="background:#fbb" | 129 || August 30 || @ Dodgers || 0–2 || Claude Osteen (18–11) || Jerry Johnson (6–11) || Pete Mikkelsen (3) || 35,753 || 52–77 |- style="background:#fbb" | 130 || August 31 || @ Dodgers || 1–4 || Bill Singer (17–8) || Rick Wise (11–11) || None || 19,357 || 52–78 |- |- style="background:#fbb" | 131 || September 1 || @ Padres || 2–5 || Clay Kirby (4–18) || Grant Jackson (12–13) || Gary Ross (3) || 2,703 || 52–79 |- style="background:#bfb" | 132 || September 2 || @ Padres || 2–0 || Bill Champion (5–7) || Tommie Sisk (0–10) || None || 3,729 || 53–79 |- style="background:#bfb" | 133 || September 3 || @ Padres || 9–1 || Woodie Fryman (11–11) || Al Santorini (6–13) || None || 6,300 || 54–79 |- style="background:#fbb" | 134 || September 5 (1) || @ Mets || 1–5 || Tom Seaver (20–7) || Grant Jackson (12–14) || None || see 2nd game || 54–80 |- style="background:#bfb" | 135 || September 5 (2) || @ Mets || 4–2 || Rick Wise (12–11) || Jim McAndrew (6–6) || None || 40,450 || 55–80 |- style="background:#fbb" | 136 || September 6 || @ Mets || 0–3 || Don Cardwell (6–9) || Jerry Johnson (6–12) || Tug McGraw (11) || 20,477 || 55–81 |- style="background:#fbb" | 137