June 18 || Mets || 9–6 || Ken Brett (6–2) || Jim McAndrew (3–5) || None || 13,190 || 27–35 |- style="background:#bfb" | 63 || June 19 || Mets || 6–1 || Jim Lonborg (4–6) || Harry Parker (5–1) || Mac Scarce (6) || 17,481 || 28–35 |- style="background:#bfb" | 64 || June 20 || Mets || 4–3 || Wayne Twitchell (6–2) || Jon Matlack (4–9) || None || 24,302 || 29–35 |- style="background:#fbb" | 65 || June 22 || @ Expos || 2–4 || Mike Torrez (4–5) || Steve Carlton (7–8) || None || 11,707 || 29–36 |- style="background:#bfb" | 66 || June 23 || @ Expos || 7–2 || Ken Brett (7–2) || Balor Moore (4–7) || None || 18,385 || 30–36 |- style="background:#bfb" | 67 || June 24 || @ Expos || 5–4 || Jim Lonborg (5–6) || Steve Renko (6–4) || Bill Wilson (4) || 17,776 || 31–36 |- style="background:#bfb" | 68 || June 25 || Cardinals || 7–6 || Bucky Brandon (1–1) || Diego Seguí (3–3) || Mac Scarce (7) || 16,570 || 32–36 |- style="background:#bfb" | 69 || June 26 (1) || Cardinals || 10–3 || Dick Ruthven (2–5) || Bob Gibson (7–7) || Mac Scarce (8) || see 2nd game || 33–36 |- style="background:#fbb" | 70 || June 26 (2) || Cardinals || 4–5 (11) || Wayne Granger (2–2) || Bucky Brandon (1–2) || Orlando Peña (2) || 40,492 || 33–37 |- style="background:#fbb" | 71 || June 27 (1) || @ Mets || 6–7 || George Stone (4–2) || Barry Lersch (2–3) || Buzz Capra (1) || see 2nd game || 33–38 |- style="background:#bfb" | 72 || June 27 (2) || @ Mets || 7–1 || Mike Wallace (1–0) || Harry Parker (5–2) || None || 31,095 || 34–38 |- style="background:#bfb" | 73 || June 28 || @ Mets || 11–4 || Jim Lonborg (6–6) || Jim McAndrew (3–6) || None || 9,965 || 35–38 |- style="background:#fbb" | 74 || June 29 || @ Cardinals || 1–2 (10) || Orlando Peña (2–1) || Mac Scarce (0–4) || None || 13,743 || 35–39 |- style="background:#fbb" | 75 || June 30 || @ Cardinals || 8–9 || Alan Foster (5–5) || Steve Carlton (7–9) || Diego Seguí (10) || 45,869 || 35–40 |- |- style="background:#bfb" | 76 || July 1 || @ Cardinals || 1–0 || Dick Ruthven (3–5) || Bob Gibson (7–8) || None