|| 21,642 || 33–24 |- style="background:#fbb" | 58 || June 14 || Braves || 6–11 || Ken Johnson (5–5) || Rick Wise (1–2) || Chi-Chi Olivo (5) || 16,759 || 33–25 |- style="background:#fbb" | 59 || June 15 (1) || @ Reds || 6–7 || Billy McCool (3–3) || Ed Roebuck (0–1) || None || see 2nd game || 33–26 |- style="background:#fbb" | 60 || June 15 (2) || @ Reds || 6–9 || Don Nottebart (1–1) || Ed Roebuck (0–2) || None || 9,538 || 33–27 |- style="background:#bfb" | 61 || June 16 || @ Reds || 12–5 || Chris Short (8–4) || Sammy Ellis (2–11) || None || 6,359 || 34–27 |- style="background:#bfb" | 62 || June 17 || @ Cardinals || 6–5 || Darold Knowles (6–1) || Don Dennis (2–1) || None || 23,965 || 35–27 |- style="background:#fbb" | 63 || June 18 || @ Cardinals || 2–3 || Al Jackson (6–5) || Roger Craig (2–1) || None || 36,932 || 35–28 |- style="background:#fbb" | 64 || June 19 (1) || @ Cardinals || 0–1 || Ray Washburn (4–3) || Jim Bunning (8–3) || None || see 2nd game || 35–29 |- style="background:#fbb" | 65 || June 19 (2) || @ Cardinals || 1–5 || Bob Gibson (10–6) || Rick Wise (1–3) || None || 44,940 || 35–30 |- style="background:#fbb" | 66 || June 20 || @ Braves || 5–7 || Tony Cloninger (7–7) || Terry Fox (1–3) || None || 16,790 || 35–31 |- style="background:#fbb" | 67 || June 21 || @ Braves || 1–4 || Denny Lemaster (5–4) || Larry Jackson (4–6) || None || 11,649 || 35–32 |- style="background:#bfb" | 68 || June 22 || @ Braves || 7–3 || Bob Buhl (3–4) || Joey Jay (6–3) || None || 12,544 || 36–32 |- style="background:#fbb" | 69 || June 24 || Pirates || 1–3 || Bob Veale (8–5) || Jim Bunning (8–4) || None || 26,791 || 36–33 |- style="background:#bfb" | 70 || June 25 || Pirates || 8–7 || Ray Culp (3–3) || Pete Mikkelsen (5–4) || Roger Craig (1) || 23,160 || 37–33 |- style="background:#fbb" | 71 || June 26 || Pirates || 0–2 || Woodie Fryman (5–3) || Larry Jackson (4–7) || None || 18,734 || 37–34 |- style="background:#bfb" | 72 || June 28 || @ Mets || 1–0 || Jim Bunning (9–4) || Bob Friend (2–5) || None || 22,693