Miller (1) || 19,753 || 19–10 || W4 |- |colspan="10"|*April 13 and 14 games played in Monterrey, Mexico |- |- style="background:#cfc;" | 30 || May 1 || @Nationals || 5–1 || Mikolas (3–2) || Scherzer (1–4) || — || 22,157 || 20–10 || W5 |- style="background:#fbb;" | 31 || May 2 || @Nationals || 1–2 || Strasburg (3–1) || Hudson (2–2) || Doolittle (4) || 24,338 || 20–11 || L1 |- style="background:#fbb;" | 32 || May 3 || @Cubs || 0–4 || Hendricks (2–4) || Flaherty (3–2) || — || 34,978 || 20–12 || L2 |- style="background:#fbb;" | 33 || May 4 || @Cubs || 5–6 || Kintzler (1– 0) || Brebbia (1–1) || Strop (4) || 39,601 || 20–13 || L3 |- style="background:#fbb;" | 34 || May 5 || @Cubs || 5–13 || Quintana (4–1) || Wainwright (3–3) || || 36,499 || 20–14 || L4 |- style="background:#cfc;" | 35 || May 6 || Phillies || 6–0 || Mikolas (4–2) || Velasquez (1–2) || || 38,419 || 21–14 || W1 |- style="background:#fbb;" | 36 || May 7 || Phillies || 1–11 || Nola (3–0) || Hudson (2– 3) || || 38,562 || 21–15 || L1 |- style="background:#fbb;" | 37 || May 8 || Phillies || 0–5 || Eickhoff (2–1) || Flaherty (3–3) || || 42,309 || 21–16 || L2 |- style="background:#cfc;" | 38 || May 9 || Pirates || 17–4 || Wacha (3–0) || Musgrove (1–4) || || 38,925 || 22–16 || W1 |- style="background:#fbb;" | 39 || May 10 || Pirates || 1–2 || Williams (2–1) || Miller (1–2) || Vázquez (11) || 45,060 || 22–17 || L1 |- style="background:#fbb;" | 40 || May 11 || Pirates || 1–2 || Lyles (3–1) || Mikolas (4–3) || Vázquez (12) || 43,011 || 22–18 || L2 |- style="background:#fbb;" | 41 || May 12 || Pirates || 6–10 || Stratton (1–2) || Brebbia (1–2) || || 48,555 || 22–19 || L3 |- style="background:#cfc;" | 42 || May 14 || @Braves || 14–3 || Flaherty (4–3) || Foltynewicz (0–3) || || 23,718 || 23–19 || W1 |- style="background:#fbb;" | 43 || May 15 || @Braves || 0–4 || Soroka (4–1) || Wacha (3– 1) || Jackson (5) || 23,367 || 23–20 || L1 |- style="background:#fbb;" | 44 || May 16 || @Braves || 2–10 || Teherán (3–4) || Wainwright (3–4) || || 28,783 || 23–21 || L2 |- style="background:#fbb;" | 45 || May