|| 7–4 || Jim Owens (2–8) || Jack Curtis (8–9) || Don Ferrarese (1) || 2,773 || 33–87–1 |- style="background:#bfb" | 122 || August 25 (1) || Braves || 9–4 || John Buzhardt (5–13) || Carl Willey (5–8) || None || see 2nd game || 34–87–1 |- style="background:#fbb" | 123 || August 25 (2) || Braves || 4–9 || Tony Cloninger (5–2) || Frank Sullivan (3–13) || None || 13,037 || 34–88–1 |- style="background:#bbb" | – || August 26 || Braves || colspan=6 | Postponed (rain); Makeup: August 27 as a traditional double-header |- style="background:#fbb" | 124 || August 27 (1) || Braves || 10–11 (12) || Bob Hendley (4–3) || Jim Owens (2–9) || None || see 2nd game || 34–89–1 |- style="background:#bfb" | 125 || August 27 (2) || Braves || 3–0 || Art Mahaffey (9–17) || Bob Buhl (9–10) || None || 9,263 || 35–89–1 |- style="background:#fbb" | 126 || August 28 || Braves || 1–7 || Warren Spahn (16–12) || Robin Roberts (1–10) || None || 6,346 || 35–90–1 |- style="background:#fbb" | 127 || August 29 (1) || Cardinals || 4–5 || Curt Simmons (8–9) || John Buzhardt (5–14) || Ed Bauta (5) || see 2nd game || 35–91–1 |- style="background:#bfb" | 128 || August 29 (2) || Cardinals || 4–3 || Chris Short (5–10) || Al Cicotte (2–5) || None || 8,592 || 36–91–1 |- style="background:#bfb" | 129 || August 30 || Cardinals || 4–3 || Don Ferrarese (3–9) || Ray Sadecki (12–7) || None || 4,952 || 37–91–1 |- style="background:#fbb" | 130 || August 31 || Cardinals || 1–2 || Bob Gibson (10–10) || Art Mahaffey (9–18) || None || 4,803 || 37–92–1 |- |- style="background:#fbb" | 131 || September 2 || Reds || 4–7 || Joey Jay (19–8) || John Buzhardt (5–15) || Bill Henry (16) || 4,147 || 37–93–1 |- style="background:#bfb" | 132 || September 3 || Reds || 3–2 || Jim Owens (3–9) || Jim Maloney (6–6) || None || 4,752 || 38–93–1 |- style="background:#fbb" | 133 || September 4 (1) || Reds || 0–5 || Ken Johnson (6–6) || Frank Sullivan (3–14) || None || see 2nd game || 38–94–1 |- style="background:#bfb" | 134 || September 4 (2) || Reds || 5–3 || Art Mahaffey (10–18) || Ken Hunt (9–10) || None || 16,175 || 39–94–1 |- style="background:#fbb" | 135 || September 5 || @ Braves || 4–5 (14) ||