|| @ Cubs || 3–6 || Ferguson Jenkins (9–6) || Jim Nash (1–3) || None || see 2nd game || 22–40 |- style="background:#bfb" | 63 || June 27 (2) || @ Cubs || 7–4 || Bucky Brandon (4–1) || Juan Pizarro (4–3) || Woodie Fryman (1) || 31,408 || 23–40 |- style="background:#fbb" | 64 || June 28 || Mets || 2–3 || Tom Seaver (10–4) || Gary Neibauer (0–1) || None || 26,545 || 23–41 |- style="background:#bfb" | 65 || June 29 || Mets || 9–4 || Steve Carlton (9–6) || Gary Gentry (3–6) || None || 14,451 || 24–41 |- style="background:#fbb" | 66 || June 30 || Cardinals || 1–4 || Scipio Spinks (5–4) || Bill Champion (4–7) || None || 16,257 || 24–42 |- |- style="background:#fbb" | 67 || July 1 (1) || Cardinals || 4–6 || Bob Gibson (7–5) || Jim Nash (1–4) || None || see 2nd game || 24–43 |- style="background:#fbb" | 68 || July 1 (2) || Cardinals || 0–1 || Al Santorini (4–6) || Ken Reynolds (0–4) || Diego Seguí (2) || 26,571 || 24–44 |- style="background:#fbb" | 69 || July 2 || Cardinals || 3–7 || Reggie Cleveland (9–4) || Gary Neibauer (0–2) || Diego Seguí (3) || 20,103 || 24–45 |- style="background:#bfb" | 70 || July 3 || Giants || 4–2 || Steve Carlton (10–6) || Don Carrithers (2–6) || None || 43,016 || 25–45 |- style="background:#fbb" | 71 || July 4 || Giants || 1–2 || Jim Barr (2–2) || Bill Champion (4–8) || None || 6,098 || 25–46 |- style="background:#bbb" | – || July 5 || Giants || colspan=6 | Postponed (rain); Makeup: July 6 |- style="background:#fbb" | 72 || July 6 || Giants || 4–6 (10) || Jerry Johnson (6–5) || Woodie Fryman (2–9) || None || 5,466 || 25–47 |- style="background:#bfb" | 73 || July 7 (1) || Padres || 4–2 || Steve Carlton (11–6) || Mike Corkins (0–5) || None || see 2nd game || 26–47 |- style="background:#fbb" | 74 || July 7 (2) || Padres || 1–6 || Clay Kirby (6–8) || Jim Nash (1–5) || None || 18,106 || 26–48 |- style="background:#fbb" | 75 || July 8 || Padres || 5–8 || Gary Ross (3–1) || Dick Selma (1–8) || None || 14,428 || 26–49 |- style="background:#fbb" | 76 || July 9 || Padres || 4–5 || Bill Greif (4–11) || Bucky Brandon (4–2)