style="background:#bfb" | 53 || June 8 || Astros || 4–3 || Dick Ruthven (8–3) || Don Sutton (4–6) || Tug McGraw (6) || 31,664 || 32–21 |- style="background:#bfb" | 54 || June 9 || Astros || 10–3 || Marty Bystrom (4–3) || Joe Niekro (6–5) || Ron Reed (5) || 33,978 || 33–21 |- style="background:#bfb" | 55 || June 10 || Astros || 5–4 || Steve Carlton (9–1) || Frank LaCorte (3–2) || Tug McGraw (7) || 57,386 || 34–21 |- style="background:#bbb" | – || June 12 || Braves || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 13 || Braves || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 14 || Braves || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 15 || Reds || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 16 || Reds || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 17 || @ Astros || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 18 || @ Astros || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 19 || @ Reds || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 20 || @ Reds || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 21 || @ Reds || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 23 || @ Cubs || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 24 || @ Cubs || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 25 || @ Cubs || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 26 || Pirates || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 27 || Pirates || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 28 || Pirates || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 29 || @ Cardinals || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 30 (1) || @ Cardinals || colspan=6 | Game cancelled: players' strike |- style="background:#bbb" | – || June 30 (2) || @ Cardinals || colspan=6 | Game cancelled: players' strike |- |- style="background:#bbb"