The 1917 Pittsburgh Pirates season was the 36th season of the Pittsburgh Pirates franchise; the 31st in the National League. The Pirates finished eighth and last in the league standings with a record of 51–103.

Regular season

Season standings

Record vs. opponents

Game log

|- bgcolor="ffbbbb" | 1 || April 11 || @ Cubs || 3–5 || Vaughn || Evans (0–1) || — || — || 0–1 |- bgcolor="ffbbbb" | 2 || April 12 || @ Cubs || 0–2 || Douglas || Cooper (0–1) || — || — || 0–2 |- bgcolor="ffbbbb" | 3 || April 13 || @ Cubs || 1–6 || Ruether || Mamaux (0–1) || — || — || 0–3 |- bgcolor="ccffcc" | 4 || April 14 || @ Cubs || 4–2 || Miller (1–0) || Hendrix || — || — || 1–3 |- bgcolor="ffbbbb" | 5 || April 15 || @ Reds || 2–5 || Toney || Mamaux (0–2) || — || — || 1–4 |- bgcolor="ccffcc" | 6 || April 16 || @ Reds || 8–4 || Cooper (1–1) || Mitchell || — || — || 2–4 |- bgcolor="ffbbbb" | 7 || April 17 || @ Reds || 2–3 || Schneider || Miller (1–1) || — || — || 2–5 |- bgcolor="ffbbbb" | 8 || April 18 || @ Reds || 5–7 || Eller || Mamaux (0–3) || Mitchell || — || 2–6 |- bgcolor="ffbbbb" | 9 || April 19 || Cubs || 3–10 || Hendrix || Cooper (1–2) || — || — || 2–7 |- bgcolor="ccffcc" | 10 || April 20 || Cubs || 6–1 || Grimes (1–0) || Demaree || — || — || 3–7 |- bgcolor="ffbbbb" | 11 || April 21 || Cubs || 1–2 || Vaughn || Miller (1–2) || — || — || 3–8 |- bgcolor="ffbbbb" | 12 || April 22 || @ Cardinals || 1–4 || Doak || Mamaux (0–4) || — || — || 3–9 |- bgcolor="ccffcc" | 13 || April 23 || @ Cardinals || 2–0 || Cooper (2–2) || Watson || — || — || 4–9 |- bgcolor="ffbbbb" | 14 || April 24 || @ Cardinals || 1–2 (10) || Ames || Grimes (1–1) || — || — || 4–10 |- bgcolor="ccffcc" | 15 || April 25 || @ Cardinals || 10–8 (10) || Carlson (1–0) || Watson || — || — || 5–10 |- bgcolor="ffbbbb" | 16 || April 27 || Reds || 3–5 || Toney || Miller (1–3) || — || — || 5–11 |- bgcolor="ccffcc" | 17 || April 28 || Reds || 2–0 || Grimes (2–1) || Sanders || — || — || 6–11 |- bgcolor="ccffcc" | 18 || April 29 || @ Reds || 3–0 || Carlson (2–0) || Schneider || — || — || 7–11

|- bgcolor="ffbbbb" | 19 || May 2 || Cardinals || 0–4 || Ames || Grimes (2–2) || — || — || 7–12 |- bgcolor="ffbbbb" | 20 || May 3 || Cardinals || 3–4 || Pierce || Mamaux (0–5) || Doak || — || 7–13 |- bgcolor="ffbbbb" | 21 || May 6 || @ Cubs || 2–3 || Vaughn || Carlson (2–1) || — || — || 7–14 |- bgcolor="ffbbbb" | 22 || May 7 || @ Cubs || 1–4 || Seaton || Grimes (2–3) || — || — || 7–15 |- bgcolor="ccffcc" | 23 || May 10 || @ Braves || 11–4 || Grimes (3–3) || Nehf || — || — || 8–15 |- bgcolor="ffbbbb" | 24 || May 11 || @ Braves || 2–3 (10) || Rudolph || Jacobs (0–1) || — || — || 8–16 |- bgcolor="ffbbbb" | 25 || May 14 || @ Phillies || 2–3 || Alexander || Jacobs (0–2) || — || — || 8–17 |- bgcolor="ffbbbb" | 26 || May 15 || @ Phillies || 2–8 || Mayer || Grimes (3–4) || — || — || 8–18 |- bgcolor="ccffcc" | 27 || May 16 || @ Phillies || 12–4 || Cooper (3–2) || Oeschger || — || — || 9–18 |- bgcolor="ffbbbb" | 28 || May 17 || @ Phillies || 6–8 || Rixey || Carlson (2–2) || Lavender || — || 9–19 |- bgcolor="ffbbbb" | 29 || May 18 || @ Giants || 1–8 || Sallee || Grimes (3–5) || — || — || 9–20 |- bgcolor="ccffcc" | 30 || May 19 || @ Giants || 5–4 || Cooper (4–2) || Benton || — || — || 10–20 |- bgcolor="ffbbbb" | 31 || May 21 || @ Giants || 3–4 || Tesreau || Jacobs (0–3) || — || — || 10–21 |- bgcolor="ccffcc" | 32 || May 22 || @ Giants || 2–0 || Miller (2–3) || Anderson || — || — || 11–21 |- bgcolor="ffbbbb" | 33 || May 24 || @ Robins || 0–6 || Pfeffer || Grimes (3–6) || — || — || 11–22 |- bgcolor="ffbbbb" | 34 || May 25 || @ Robins || 3–4 || Cadore || Cooper (4–3) || — || — || 11–23 |- bgcolor="ffbbbb" | 35 || May 26 || @ Robins || 1–4 || Marquard || Miller (2–4) || — || — || 11–24 |- bgcolor="ffbbbb" | 36 || May 30 || Cubs || 5–6 || Douglas || Jacobs (0–4) || Demaree || — || 11–25 |- bgcolor="ccffcc" | 37 || May 30 || Cubs || 2–1 || Carlson (3–2) || Demaree || — || — || 12–25 |- bgcolor="ccffcc" | 38 || May 31 || Phillies || 3–2 || Mamaux (1–5) || Rixey || Jacobs (1) || — || 13–25

|- bgcolor="ffbbbb" | 39 || June 1 || Phillies || 1–9 || Mayer || Miller (2–5) || — || — || 13–26 |- bgcolor="ffbbbb" | 40 || June 2 || Phillies || 1–9 || Alexander || Grimes (3–7) || — || — || 13–27 |- bgcolor="ccffcc" | 41 || June 4 || Phillies || 5–1 || Jacobs (1–4) || Lavender || — || — || 14–27 |- bgcolor="ffbbbb" | 42 || June 7 || Robins || 3–5 || Pfeffer || Mamaux (1–6) || — || — || 14–28 |- bgcolor="ccffcc" | 43 || June 8 || Robins || 5–4 || Miller (3–5) || Dell || — || — || 15–28 |- bgcolor="ffbbbb" | 44 || June 9 || Braves || 5–6 || Tyler || Carlson (3–3) || — || — || 15–29 |- bgcolor="ffbbbb" | 45 || June 11 || Braves || 0–2 || Nehf || Miller (3–6) || Tyler || — || 15–30 |- bgcolor="ccffcc" | 46 || June 12 || Braves || 5–4 (11) || Jacobs (2–4) || Tyler || — || — || 16–30 |- bgcolor="ffbbbb" | 47 || June 13 || Giants || 3–7 || Anderson || Grimes (3–8) || — || — || 16–31 |- bgcolor="ffbbbb" | 48 || June 14 || Giants || 0–2 || Perritt || Jacobs (2–5) || — || — || 16–32 |- bgcolor="ffbbbb" | 49 || June 16 || Giants || 1–4 || Benton || Miller (3–7) || — || — || 16–33 |- bgcolor="ccffcc" | 50 || June 18 || @ Cardinals || 4–0 || Cooper (5–3) || Packard || — || — || 17–33 |- bgcolor="ccffcc" | 51 || June 19 || @ Cardinals || 7–3 (11) || Jacobs (3–5) || Ames || — || — || 18–33 |- bgcolor="ffffff" | 52 || June 20 || @ Cardinals || 4–4 (6) || || || — || — || 18–33 |- bgcolor="ffbbbb" | 53 || June 21 || Cubs || 4–12 || Seaton || Miller (3–8) || — || — || 18–34 |- bgcolor="ccffcc" | 54 || June 22 || Cubs || 4–3 (10) || Cooper (6–3) || Demaree || — || — || 19–34 |- bgcolor="ffbbbb" | 55 || June 23 || Cubs || 0–2 || Douglas || Jacobs (3–6) || — || — || 19–35 |- bgcolor="ffbbbb" | 56 || June 23 || Cubs || 4–6 (10) || Hendrix || Miller (3–9) || Seaton || — || 19–36 |- bgcolor="ffbbbb" | 57 || June 24 || @ Cubs || 1–2 || Vaughn || Mamaux (1–7) || — || — || 19–37 |- bgcolor="ffbbbb" | 58 || June 26 || Reds || 5–6 || Schneider || Cooper (6–4) || — || — || 19–38 |- bgcolor="ffbbbb" | 59 || June 27 || Reds || 5–6 || Regan || Jacobs (3–7) || Ring || — || 19–39 |- bgcolor="ccffcc" | 60 || June 28 || Reds || 6–2 || Steele (1–0) || Toney || — || — || 20–39 |- bgcolor="ffbbbb" | 61 || June 29 || Reds || 0–1 || Mitchell || Mamaux (1–8) || — || — || 20–40 |- bgcolor="ccffcc" | 62 || June 30 || Reds || 5–4 || Cooper (7–4) || Ring || — || — || 21–40

|- bgcolor="ffbbbb" | 63 || July 1 || @ Reds || 1–4 || Toney || Jacobs (3–8) || — || — || 21–41 |- bgcolor="ffbbbb" | 64 || July 1 || @ Reds || 1–5 || Toney || Steele (1–1) || — || — || 21–42 |- bgcolor="ffbbbb" | 65 || July 2 || Cardinals || 4–6 || Horstmann || Mamaux (1–9) || Packard || — || 21–43 |- bgcolor="ffbbbb" | 66 || July 3 || Cardinals || 6–8 || Ames || Miller (3–10) || — || — || 21–44 |- bgcolor="ffbbbb" | 67 || July 4 || Cardinals || 3–4 || Packard || Jacobs (3–9) || Meadows || — || 21–45 |- bgcolor="ffbbbb" | 68 || July 4 || Cardinals || 1–4 || Doak || Cooper (7–5) || — || — || 21–46 |- bgcolor="ffbbbb" | 69 || July 5 || Cardinals || 6–9 (11) || Ames || Grimes (3–9) || — || — || 21–47 |- bgcolor="ccffcc" | 70 || July 6 || @ Phillies || 8–5 || Mamaux (2–9) || Oeschger || Carlson (1) || — || 22–47 |- bgcolor="ccffcc" | 71 || July 7 || @ Phillies || 4–1 || Miller (4–10) || Alexander || Jacobs (2) || — || 23–47 |- bgcolor="ccffcc" | 72 || July 12 || @ Robins || 2–1 || Carlson (4–3) || Pfeffer || — || — || 24–47 |- bgcolor="ffbbbb" | 73 || July 13 || @ Robins || 0–4 || Cheney || Jacobs (3–10) || — || — || 24–48 |- bgcolor="ffbbbb" | 74 || July 13 || @ Robins || 1–2 (10) || Smith || Grimes (3–10) || — || — || 24–49 |- bgcolor="ffbbbb" | 75 || July 14 || @ Robins || 3–5 || Coombs || Mamaux (2–10) || — || — || 24–50 |- bgcolor="ffbbbb" | 76 || July 14 || @ Robins || 0–1 || Marquard || Miller (4–11) || — || — || 24–51 |- bgcolor="ffbbbb" | 77 || July 16 || @ Braves || 7–8 (11) || Tyler || Grimes (3–11) || — || — || 24–52 |- bgcolor="ffbbbb" | 78 || July 16 || @ Braves || 2–7 || Barnes || Jacobs (3–11) || — || — || 24–53 |- bgcolor="ffbbbb" | 79 || July 17 || @ Braves || 6–10 || Nehf || Mamaux (2–11) || — || — || 24–54 |- bgcolor="ccffcc" | 80 || July 18 || @ Braves || 8–6 || Steele (2–1) || Tyler || — || — || 25–54 |- bgcolor="ccffcc" | 81 || July 18 || @ Braves || 3–2 || Carlson (5–3) || Rudolph || — || — || 26–54 |- bgcolor="ccffcc" | 82 || July 19 || @ Braves || 6–1 || Cooper (8–5) || Barnes || — || — || 27–54 |- bgcolor="ffbbbb" | 83 || July 20 || @ Giants || 0–4 || Benton || Carlson (5–4) || — || — || 27–55 |- bgcolor="ffbbbb" | 84 || July 21 || @ Giants || 3–4 (10) || Sallee || Grimes (3–12) || — || — || 27–56 |- bgcolor="ccffcc" | 85 || July 23 || @ Giants || 1–0 || Cooper (9–5) || Schupp || — || — || 28–56 |- bgcolor="ffbbbb" | 86 || July 24 || @ Giants || 2–6 || Perritt || Miller (4–12) || Anderson || — || 28–57 |- bgcolor="ffbbbb" | 87 || July 25 || Robins || 3–4 (13) || Smith || Jacobs (3–12) || — || — || 28–58 |- bgcolor="ccffcc" | 88 || July 26 || Robins || 4–1 || Carlson (6–4) || Pfeffer || — || — || 29–58 |- bgcolor="ffbbbb" | 89 || July 26 || Robins || 1–5 || Cadore || Jacobs (3–13) || — || — || 29–59 |- bgcolor="ccffcc" | 90 || July 27 || Robins || 5–1 || Cooper (10–5) || Coombs || — || — || 30–59 |- bgcolor="ffbbbb" | 91 || July 28 || Robins || 2–6 || Cheney || Steele (2–2) || — || — || 30–60 |- bgcolor="ffbbbb" | 92 || July 28 || Robins || 2–4 || Smith || Miller (4–13) || — || — || 30–61 |- bgcolor="ccffcc" | 93 || July 30 || Giants || 4–3 || Carlson (7–4) || Anderson || Cooper (1) || — || 31–61 |- bgcolor="ffbbbb" | 94 || July 31 || Giants || 7–11 || Tesreau || Cooper (10–6) || — || — || 31–62 |- bgcolor="ffbbbb" | 95 || July 31 || Giants || 3–9 || Schupp || Grimes (3–13) || — || — || 31–63

|- bgcolor="ffbbbb" | 96 || August 1 || Giants || 1–3 || Perritt || Steele (2–3) || — || — || 31–64 |- bgcolor="ffbbbb" | 97 || August 2 || Giants || 3–7 || Demaree || Miller (4–14) || — || — || 31–65 |- bgcolor="ffbbbb" | 98 || August 3 || Braves || 4–5 || Nehf || Carlson (7–5) || — || — || 31–66 |- bgcolor="ffbbbb" | 99 || August 4 || Braves || 3–6 || Tyler || Steele (2–4) || — || — || 31–67 |- bgcolor="ccffcc" | 100 || August 9 || Phillies || 5–1 || Jacobs (4–13) || Alexander || — || — || 32–67 |- bgcolor="ccffcc" | 101 || August 10 || Phillies || 1–0 || Cooper (11–6) || Rixey || — || — || 33–67 |- bgcolor="ffbbbb" | 102 || August 11 || Phillies || 3–4 || Alexander || Miller (4–15) || — || — || 33–68 |- bgcolor="ffbbbb" | 103 || August 11 || Phillies || 2–3 || Oeschger || Evans (0–2) || — || — || 33–69 |- bgcolor="ffbbbb" | 104 || August 12 || @ Cubs || 2–3 || Vaughn || Carlson (7–6) || — || — || 33–70 |- bgcolor="ffbbbb" | 105 || August 13 || @ Cubs || 3–7 || Hendrix || Steele (2–5) || — || — || 33–71 |- bgcolor="ccffcc" | 106 || August 14 || @ Cubs || 2–0 (12) || Cooper (12–6) || Douglas || — || — || 34–71 |- bgcolor="ccffcc" | 107 || August 15 || Reds || 3–2 || Miller (5–15) || Schneider || — || — || 35–71 |- bgcolor="ffbbbb" | 108 || August 16 || @ Phillies || 3–5 || Oeschger || Jacobs (4–14) || — || — || 35–72 |- bgcolor="ffbbbb" | 109 || August 16 || @ Phillies || 0–3 || Mayer || Evans (0–3) || — || — || 35–73 |- bgcolor="ffbbbb" | 110 || August 17 || @ Phillies || 0–3 || Bender || Jacobs (4–15) || — || — || 35–74 |- bgcolor="ffbbbb" | 111 || August 17 || @ Phillies || 3–7 || Rixey || Carlson (7–7) || — || — || 35–75 |- bgcolor="ffbbbb" | 112 || August 18 || @ Phillies || 2–3 (14) || Alexander || Cooper (12–7) || — || — || 35–76 |- bgcolor="ccffcc" | 113 || August 20 || @ Robins || 1–0 (10) || Miller (6–15) || Marquard || — || — || 36–76 |- bgcolor="ffffff" | 114 || August 21 || @ Robins || 3–3 (13) || || || — || — || 36–76 |- bgcolor="ffbbbb" | 115 || August 22 || @ Robins || 5–6 (22) || Marquard || Jacobs (4–16) || — || — || 36–77 |- bgcolor="ffbbbb"