|| 29–39 |- style="background:#bfb" | 69 || June 28 || @ Expos || 13–8 || Turk Farrell (3–2) || Bill Stoneman (4–10) || John Boozer (4) || 11,150 || 30–39 |- style="background:#bfb" | 70 || June 29 (1) || @ Expos || 2–0 || Lowell Palmer (1–1) || Jerry Robertson (1–6) || None || see 2nd game || 31–39 |- style="background:#bfb" | 71 || June 29 (2) || @ Expos || 5–1 || Jerry Johnson (4–7) || Mike Wegener (3–5) || None || 27,169 || 32–39 |- style="background:#bfb" | 72 || June 30 || @ Pirates || 4–2 || Woodie Fryman (7–4) || Dock Ellis (4–8) || John Boozer (5) || 17,954 || 33–39 |- |- style="background:#bfb" | 73 || July 1 || @ Pirates || 7–4 || Grant Jackson (9–6) || Steve Blass (8–5) || Bill Wilson (3) || 6,652 || 34–39 |- style="background:#bfb" | 74 || July 2 || @ Pirates || 14–4 || Al Raffo (1–2) || Jim Bunning (7–6) || John Boozer (6) || 6,322 || 35–39 |- style="background:#fbb" | 75 || July 4 (1) || Expos || 5–8 || Jerry Robertson (2–6) || Lowell Palmer (1–2) || None || see 2nd game || 35–40 |- style="background:#fbb" | 76 || July 4 (2) || Expos || 3–7 || Howie Reed (4–1) || Jerry Johnson (4–8) || Gary Waslewski (2) || 21,521 || 35–41 |- style="background:#fbb" | 77 || July 5 || Expos || 4–6 || Dan McGinn (4–7) || Woodie Fryman (7–5) || Dick Radatz (1) || 3,496 || 35–42 |- style="background:#bfb" | 78 || July 6 (1) || Expos || 13–2 || Bill Champion (3–3) || Bill Stoneman (4–12) || None || see 2nd game || 36–42 |- style="background:#fbb" | 79 || July 6 (2) || Expos || 0–5 || Gary Waslewski (1–2) || Grant Jackson (9–7) || None || 8,664 || 36–43 |- style="background:#bbb" | – || July 7 || Cardinals || colspan=6 | Postponed (rain); Makeup: July 9 as a traditional double-header |- style="background:#fbb" | 80 || July 8 || Cardinals || 3–6 || Bob Gibson (11–6) || Jerry Johnson (4–9) || None || 8,522 || 36–44 |- style="background:#bfb" | 81 || July 9 (1) || Cardinals || 7–1 || Woodie Fryman (8–5) || Nelson Briles (7–8) || None || see 2nd game || 37–44 |- style="background:#fbb" | 82 || July 9 (2) || Cardinals || 3–5 || Nelson Briles (8–8) || Lowell