(2–1) || Pat Combs (1–2) || None || 11,966 || 10–8 |- style="background:#fbb" | 19 || April 30 || @ Reds || 2–6 || José Rijo (1–1) || Ken Howell (2–2) || Rob Dibble (3) || 17,294 || 10–9 |- |- style="background:#bfb" | 20 || May 1 || @ Reds || 4–2 || Bruce Ruffin (2–2) || Tim Birtsas (1–1) || Roger McDowell (7) || 16,926 || 11–9 |- style="background:#bfb" | 21 || May 2 || Astros || 14–4 || Dennis Cook (4–0) || Jim Clancy (1–1) || None || 15,196 || 12–9 |- style="background:#fbb" | 22 || May 3 || Astros || 3–10 || Bill Gullickson (2–1) || Terry Mulholland (1–1) || Dave Smith (8) || 13,653 || 12–10 |- style="background:#bfb" | 23 || May 4 || Dodgers || 8–3 || Don Carman (1–0) || Ramón Martínez (2–1) || None || 8,926 || 13–10 |- style="background:#fbb" | 24 || May 5 || Dodgers || 0–3 || Mike Morgan (4–1) || Ken Howell (2–3) || None || 25,290 || 13–11 |- style="background:#bfb" | 25 || May 6 || Dodgers || 9–5 || Don Carman (2–0) || Mike Munoz (0–1) || None || 38,167 || 14–11 |- style="background:#fbb" | 26 || May 8 || @ Astros || 2–3 (10) || Dave Smith (1–2) || Dickie Noles (0–1) || None || 12,909 || 14–12 |- style="background:#bfb" | 27 || May 9 || @ Astros || 10–1 || Pat Combs (2–2) || Mike Scott (1–3) || None || 11,257 || 15–12 |- style="background:#bfb" | 28 || May 11 || Giants || 10–6 || Ken Howell (3–3) || John Burkett (2–1) || None || 26,750 || 16–12 |- style="background:#fbb" | 29 || May 12 || Giants || 2–6 || Scott Garrelts (1–3) || Bruce Ruffin (2–3) || Jeff Brantley (3) || 24,272 || 16–13 |- style="background:#bfb" | 30 || May 13 || Giants || 4–1 || Dennis Cook (5–0) || Rick Reuschel (2–4) || None || 19,631 || 17–13 |- style="background:#fbb" | 31 || May 14 || @ Padres || 1–5 || Andy Benes (3–3) || Pat Combs (2–3) || None || 16,389 || 17–14 |- style="background:#bfb" | 32 || May 15 || @ Padres || 2–1 || Terry Mulholland (2–1) || Dennis Rasmussen (3–2) || Roger McDowell (8) || 22,596 || 18–14 |- style="background:#bfb" | 33 || May 16 || @ Padres || 6–5 || Ken Howell (4–3) || Ed Whitson (3–2) ||