Orville Jorgens (1–3) || None || || 10–16 |- style="background:#bfb" | 27 || May 13 || Reds || 9–7 || Syl Johnson (4–1) || Lee Stine (1–3) || Tom Zachary (1) || 1,500 || 11–16 |- style="background:#bbb" | – || May 14 || Reds || colspan=6 | Postponed (cold weather and rain); Makeup: June 28 as a traditional double-header |- style="background:#bfb" | 28 || May 15 || Cubs || 11–6 || Euel Moore (1–1) || Charlie Root (1–2) || None || || 12–16 |- style="background:#fbb" | 29 || May 16 || Cubs || 3–7 || Roy Henshaw (1–3) || Bucky Walters (2–4) || None || 7,500 || 12–17 |- style="background:#fbb" | 30 || May 17 || Cardinals || 3–10 || Dizzy Dean (5–2) || Curt Davis (2–4) || None || 15,000 || 12–18 |- style="background:#fbb" | 31 || May 18 || Cardinals || 6–11 || Mike Ryba (2–1) || Orville Jorgens (1–4) || Paul Dean (1) || 3,000 || 12–19 |- style="background:#bbb" | – || May 19 || Cardinals || colspan=6 | Postponed (rain and wet grounds); Makeup: June 25 as a traditional double-header |- style="background:#fbb" | 32 || May 20 || Pirates || 3–9 || Jim Weaver (5–1) || Tom Zachary (0–1) || None || 1,500 || 12–20 |- style="background:#fbb" | 33 || May 21 || Pirates || 4–7 || Ralph Birkofer (3–1) || Orville Jorgens (1–5) || None || 1,500 || 12–21 |- style="background:#bfb" | 34 || May 22 || @ Giants || 15–0 || Bucky Walters (3–4) || || None || 4,468 || 13–21 |- style="background:#fbb" | 35 || May 23 || @ Giants || 0–9 || Carl Hubbell (5–3) || Hal Kelleher (0–1) || None || 13,468 || 13–22 |- style="background:#fbb" | 36 || May 24 || @ Giants || 5–13 || Hal Schumacher (5–1) || Tom Zachary (0–2) || Frank Gabler (3) || 20,000 || 13–23 |- style="background:#fbb" | 37 || May 25 || @ Giants || 0–1 || Al Smith (4–2) || Joe Bowman (2–5) || None || 3,000 || 13–24 |- style="background:#bfb" | 38 || May 26 || Bees || 7–2 || Orville Jorgens (2–5) || Ray Benge (4–2) || None || 2,000 || 14–24 |- style="background:#bfb" | 39 || May 27 || Bees || 5–2 || Bucky Walters (4–4) || Bobby Reis (1–3) || None || 1,500 || 15–24 |- style="background:#fbb" | 40 || May 28 || Dodgers || 10–13 || George