April 25 || @ Dodgers || 0–1 || Tommy John (5–0) || Dick Ruthven (1–1) || None || 15,117 || 9–8 |- style="background:#fbb" | 18 || April 26 || @ Padres || 2–6 || Dave Freisleben (1–0) || Steve Carlton (2–1) || None || 9,448 || 9–9 |- style="background:#fbb" | 19 || April 27 || @ Padres || 2–5 || Randy Jones (2–4) || Ron Schueler (0–3) || None || 31,407 || 9–10 |- style="background:#fbb" | 20 || April 28 || @ Padres || 4–5 || Larry Hardy (1–0) || Frank Linzy (1–2) || None || 12,031 || 9–11 |- style="background:#bfb" | 21 || April 30 || @ Giants || 6–5 || Frank Linzy (2–2) || Randy Moffitt (1–2) || Eddie Watt (2) || 2,188 || 10–11 |- |- style="background:#fbb" | 22 || May 1 || @ Giants || 8–13 || Charlie Williams (1–0) || Steve Carlton (2–2) || None || 2,179 || 10–12 |- style="background:#bfb" | 23 || May 3 || Dodgers || 2–1 || Ron Schueler (1–3) || Doug Rau (2–1) || Eddie Watt (3) || 20,186 || 11–12 |- style="background:#bfb" | 24 || May 4 || Dodgers || 7–3 || Jim Lonborg (2–2) || Don Sutton (4–2) || None || 40,301 || 12–12 |- style="background:#bfb" | 25 || May 5 || Dodgers || 3–2 || Mac Scarce (3–2) || Tommy John (5–1) || None || 41,040 || 13–12 |- style="background:#fbb" | 26 || May 6 || Padres || 6–7 || Dave Freisleben (3–0) || Steve Carlton (2–3) || Rich Troedson (1) || 4,149 || 13–13 |- style="background:#fbb" | 27 || May 7 || Padres || 3–5 (13) || Mike Corkins (2–0) || Dave Wallace (0–1) || None || 4,288 || 13–14 |- style="background:#bfb" | 28 || May 8 || Padres || 4–0 || Jim Lonborg (3–2) || Randy Jones (2–6) || None || 5,081 || 14–14 |- style="background:#bfb" | 29 || May 10 || Pirates || 3–2 || Dick Ruthven (2–1) || Ken Brett (2–3) || Mac Scarce (2) || 16,388 || 15–14 |- style="background:#bfb" | 30 || May 11 || Pirates || 3–1 || Steve Carlton (3–3) || Bob Moose (1–4) || None || 21,070 || 16–14 |- style="background:#bfb" | 31 || May 12 || Pirates || 8–7 || Ed Farmer (1–0) || Dock Ellis (1–3) || Eddie Watt (4) || 11,243 || 17–14 |- style="background:#fbb" | 32 || May 14 || Expos || 2–9 ||