traditional double-header |- style="background:#fbb" | 63 || June 23 || @ Cardinals || 2–3 || Dick Hughes (7–2) || Rick Wise (1–5) || None || 31,727 || 29–34 |- style="background:#fbb" | 64 || June 24 || @ Cardinals || 1–2 || Bob Gibson (9–5) || Larry Jackson (5–8) || None || 19,486 || 29–35 |- style="background:#bfb" | 65 || June 25 (1) || @ Cardinals || 6–4 || Jim Bunning (7–8) || Larry Jaster (4–3) || Dick Hall (4) || see 2nd game || 30–35 |- style="background:#bfb" | 66 || June 25 (2) || @ Cardinals || 10–4 || John Boozer (1–0) || Al Jackson (5–3) || None || 47,020 || 31–35 |- style="background:#fbb" | 67 || June 26 || @ Cubs || 2–4 || Rich Nye (6–3) || Turk Farrell (6–3) || Chuck Hartenstein (1) || 9,145 || 31–36 |- style="background:#bfb" | 68 || June 27 || @ Cubs || 4–2 || Rick Wise (2–5) || Curt Simmons (3–6) || Dick Hall (5) || 12,769 || 32–36 |- style="background:#bfb" | 69 || June 28 || @ Mets || 6–5 || John Boozer (2–0) || Tom Seaver (6–5) || Dick Hall (6) || 20,396 || 33–36 |- style="background:#bfb" | 70 || June 29 || @ Mets || 1–0 || Jim Bunning (8–8) || Jack Fisher (5–9) || None || 13,653 || 34–36 |- style="background:#bfb" | 71 || June 30 (1) || Giants || 10–3 || Chris Short (4–2) || Gaylord Perry (5–10) || None || see 2nd game || 35–36 |- style="background:#fbb" | 72 || June 30 (2) || Giants || 3–12 || Juan Marichal (11–6) || Turk Farrell (6–4) || None || 22,618 || 35–37 |- |- style="background:#fbb" | 73 || July 1 || Giants || 2–3 || Mike McCormick (9–3) || Rick Wise (2–6) || Frank Linzy (10) || 20,181 || 35–38 |- style="background:#bfb" | 74 || July 2 || Giants || 8–7 || Dick Hall (6–3) || Lindy McDaniel (1–4) || None || 11,667 || 36–38 |- style="background:#bfb" | 75 || July 4 (1) || Astros || 9–0 || Chris Short (5–2) || Dave Giusti (4–8) || None || see 2nd game || 37–38 |- style="background:#bfb" | 76 || July 4 (2) || Astros || 4–3 (11) || Larry Jackson (6–8) || Barry Latman (1–4) || None || 16,368 || 38–38 |- style="background:#bfb" | 77 || July 5 || Astros || 3–2 || Rick Wise (3–6) ||