Larry Christenson (1–4) || None || 50,222 || 32–29 |- style="background:#bfb" | 63 || June 16 || Reds || 4–3 || Tug McGraw (3–0) || Doug Bair (3–1) || None || 50,224 || 33–29 |- style="background:#bfb" | 64 || June 17 || Reds || 9–3 || Randy Lerch (4–4) || Doug Bair (3–2) || None || 46,153 || 34–29 |- style="background:#fbb" | 65 || June 18 || @ Braves || 5–10 || Rick Matula (4–5) || Nino Espinosa (6–6) || None || 9,394 || 34–30 |- style="background:#fbb" | 66 || June 19 || @ Braves || 4–10 || Phil Niekro (8–9) || Larry Christenson (1–5) || None || 8,146 || 34–31 |- style="background:#bfb" | 67 || June 20 || @ Braves || 10–4 || Steve Carlton (8–7) || Eddie Solomon (3–3) || None || 8,681 || 35–31 |- style="background:#fbb" | 68 || June 22 || @ Expos || 5–6 || Ross Grimsley (7–4) || Randy Lerch (4–5) || Elías Sosa (7) || 40,729 || 35–32 |- style="background:#fbb" | 69 || June 23 || @ Expos || 0–3 || Steve Rogers (7–4) || Nino Espinosa (6–7) || None || 24,439 || 35–33 |- style="background:#bfb" | 70 || June 24 || @ Expos || 5–2 || Larry Christenson (2–5) || Bill Lee (7–4) || Tug McGraw (5) || 41,593 || 36–33 |- style="background:#fbb" | 71 || June 25 || @ Cubs || 2–8 || Lynn McGlothen (8–6) || Steve Carlton (8–8) || None || 27,246 || 36–34 |- style="background:#bfb" | 72 || June 26 || @ Cubs || 5–3 || Dick Ruthven (7–4) || Donnie Moore (1–3) || Tug McGraw (6) || 35,970 || 37–34 |- style="background:#fbb" | 73 || June 27 || @ Cubs || 4–11 || Mike Krukow (5–5) || Randy Lerch (4–6) || None || 29,858 || 37–35 |- style="background:#bfb" | 74 || June 29 (1) || @ Cardinals || 8–7 || Kevin Saucier (1–0) || Bob Forsch (3–8) || Tug McGraw (7) || see 2nd game || 38–35 |- style="background:#fbb" | 75 || June 29 (2) || @ Cardinals || 1–7 || Pete Vuckovich (7–4) || Larry Christenson (2–6) || None || 29,300 || 38–36 |- style="background:#bfb" | 76 || June 30 || @ Cardinals || 6–4 (10) || Ron Reed (6–3) || George Frazier (0–1) || Tug McGraw (8) || 30,960 || 39–36 |- |- style="background:#fbb" | 77 || July 1 (1) || @ Cardinals || 7–13