Posedel (8–5) || Boom-Boom Beck (3–4) || None || 1,768 || 19–45–1 |- style="background:#fbb" | 66 || July 8 || @ Bees || 0–4 || Lou Fette (9–3) || Syl Johnson (4–3) || None || 1,307 || 19–46–1 |- style="background:#bfb" | 67 || July 9 || @ Bees || 3–1 || Kirby Higbe (5–4) || Danny MacFayden (6–7) || None || || 20–46–1 |- style="background:#bfb" | 68 || July 9 || @ Bees || 7–6 || Al Hollingsworth (1–9) || Johnny Lanning (3–3) || Boom-Boom Beck (3) || 10,634 || 21–46–1 |- style="background:#bbcaff;" | – || July 11 ||colspan="7" | 1939 Major League Baseball All-Star Game at Yankee Stadium in New York |- style="background:#fbb" | 69 || July 13 || Cubs || 5–7 || Vance Page (4–2) || Boom-Boom Beck (3–5) || None || 10,714 || 21–47–1 |- style="background:#bfb" | 70 || July 15 || Cubs || 8–5 || Syl Johnson (5–3) || Bill Lee (9–10) || Boom-Boom Beck (4) || 3,000 || 22–47–1 |- style="background:#bfb" | 71 || July 16 || Pirates || 3–2 || Hugh Mulcahy (5–9) || Mace Brown (4–4) || None || || 23–47–1 |- style="background:#fbb" | 72 || July 16 || Pirates || 3–7 || Bob Klinger (8–9) || Max Butcher (2–12) || Bill Swift (2) || 12,958 || 23–48–1 |- style="background:#fbb" | 73 || July 17 || Pirates || 4–7 || Joe Bowman (6–5) || Ray Harrell (1–3) || None || 2,500 || 23–49–1 |- style="background:#bfb" | 74 || July 18 || Pirates || 8–3 || Syl Johnson (6–3) || Bill Swift (2–2) || None || 6,000 || 24–49–1 |- style="background:#fbb" | 75 || July 19 || Cardinals || 2–4 || Tom Sunkel (1–1) || Hugh Mulcahy (5–10) || Bob Bowman (4) || 11,554 || 24–50–1 |- style="background:#bfb" | 76 || July 21 || Cardinals || 16–2 || Kirby Higbe (6–4) || Curt Davis (11–11) || None || || 25–50–1 |- style="background:#fbb" | 77 || July 21 || Cardinals || 0–7 || Mort Cooper (6–3) || Ike Pearson (0–2) || None || 6,000 || 25–51–1 |- style="background:#fbb" | 78 || July 22 || Reds || 0–2 || Paul Derringer (13–4) || Boom-Boom Beck (3–6) || None || 5,000 || 25–52–1 |- style="background:#fbb" | 79 || July 23 || Reds || 2–5 || Gene Thompson (4–1) || Hugh Mulcahy (5–11) || None || || 25–53–1 |- style="background:#fbb" | 80 || July 23 || Reds ||