8–9 |- |- style="background:#bfb" | 18 || May 1 || @ Mets || 7–2 (11) || Larry Jackson (2–3) || Ron Taylor (0–1) || Grant Jackson (1) || 11,450 || 9–9 |- style="background:#fbb" | 19 || May 2 || @ Mets || 0–3 || Nolan Ryan (2–2) || Woodie Fryman (3–2) || Ron Taylor (2) || 9,795 || 9–10 |- style="background:#bfb" | 20 || May 3 || Pirates || 3–2 || Turk Farrell (1–0) || Ron Kline (0–1) || None || 9,433 || 10–10 |- style="background:#bfb" | 21 || May 4 || Pirates || 3–2 || Dick Hall (1–0) || Roy Face (0–1) || None || 15,834 || 11–10 |- style="background:#fbb" | 22 || May 5 || Pirates || 2–5 || Dave Wickersham (1–0) || Larry Jackson (2–4) || Bob Moose (3) || 9,407 || 11–11 |- style="background:#fbb" | 23 || May 6 || @ Reds || 1–10 || George Culver (1–1) || Woodie Fryman (3–3) || None || 3,991 || 11–12 |- style="background:#bfb" | 24 || May 7 || @ Reds || 5–2 || Rick Wise (3–1) || Jim Maloney (2–2) || Turk Farrell (3) || 4,953 || 12–12 |- style="background:#bfb" | 25 || May 8 || @ Reds || 6–2 || Dick Hall (2–0) || Bob Lee (2–2) || None || 3,535 || 13–12 |- style="background:#bfb" | 26 || May 9 || @ Reds || 7–3 || Larry Jackson (3–4) || Milt Pappas (2–2) || Turk Farrell (4) || 3,735 || 14–12 |- style="background:#fbb" | 27 || May 10 || @ Pirates || 1–2 || Bob Veale (1–3) || Woodie Fryman (3–4) || Roy Face (3) || 9,397 || 14–13 |- style="background:#bbb" | – || May 11 || @ Pirates || colspan=6 | Postponed (rain); Makeup: July 11 as a traditional double-header |- style="background:#fbb" | 28 || May 12 || @ Pirates || 1–2 || Al McBean (5–2) || Jeff James (0–1) || None || 12,203 || 14–14 |- style="background:#fbb" | 29 || May 13 || Braves || 2–4 || Phil Niekro (3–3) || Chris Short (2–4) || None || 3,126 || 14–15 |- style="background:#fbb" | 30 || May 14 || Braves || 1–3 || Ron Reed (4–0) || Larry Jackson (3–5) || None || 4,531 || 14–16 |- style="background:#bbb" | – || May 15 || Braves || colspan=6 | Postponed (rain); Makeup: July 26 as a traditional double-header |- style="background:#bbb" | – || May 16 || Braves