The 2005 Pittsburgh Pirates season was the 124th season of the franchise; the 119th in the National League. This was their fifth season at PNC Park. The Pirates finished sixth and last in the National League Central with a record of 67–95.
Offseason November 2, 2004: Jorge Velandia was signed as a free agent with the Pittsburgh Pirates. November 27, 2004: Jason Kendall was traded by the Pittsburgh Pirates with cash to the Oakland Athletics for Mark Redman, Arthur Rhodes, and cash.Jason Kendall Statistics Baseball-Reference.com
Regular season
Season standings
Game log
|- style="background:#fbb;" | 1 || April 4 || Brewers || 2–9 || Sheets || Pérez (0–1) || — || 38,016 || 0–1 |- style="background:#fbb;" | 2 || April 6 || Brewers || 2–10 || Davis || Wells (0–1) || — || 12,077 || 0–2 |- style="background:#fbb;" | 3 || April 7 || @ Padres || 0–1 (12) || Seanez || White (0–1) || — || 43,538 || 0–3 |- style="background:#cfc;" | 4 || April 8 || @ Padres || 3–2 || Fogg (1–0) || Lawrence || Mesa (1) || 39,791 || 1–3 |- style="background:#fbb;" | 5 || April 9 || @ Padres || 3–11 || Williams || Pérez (0–2) || — || 37,939 || 1–4 |- style="background:#cfc;" | 6 || April 10 || @ Padres || 6–3 || Williams (1–0) || Redding || Mesa (2) || 33,521 || 2–4 |- style="background:#fbb;" | 7 || April 11 || @ Brewers || 2–6 || Davis || Wells (0–2) || — || 42,458 || 2–5 |- style="background:#cfc;" | 8 || April 12 || @ Brewers || 4–2 || Redman (1–0) || Glover || Mesa (3) || 10,927 || 3–5 |- style="background:#fbb;" | 9 || April 13 || @ Brewers || 2–6 || De La Rosa || White (0–2) || — || 11,021 || 3–6 |- style="background:#cfc;" | 10 || April 15 || Cubs || 8–5 || Torres (1–0) || Remlinger || Mesa (4) || 29,256 || 4–6 |- style="background:#fbb;" | 11 || April 16 || Cubs || 3–4 || Dempster || Wells (0–3) || Hawkins || 34,783 || 4–7 |- style="background:#fbb;" | 12 || April 17 || Cubs || 2–4 || Wuertz || Redman (1–1) || Hawkins || 20,416 || 4–8 |- style="background:#fbb;" | 13 || April 18 || Cardinals || 1–11 || Mulder || Williams (1–1) || — || 11,220 || 4–9 |- style="background:#fbb;" | 14 || April 19 || Cardinals || 1–7 || Morris || Fogg (1–1) || — || 12,285 || 4–10 |- style="background:#fbb;" | 15 || April 20 || @ Reds || 4–6 || Wilson || Torres (1–1) || Graves || 16,857 || 4–11 |- style="background:#cfc;" | 16 || April 21 || @ Reds || 4–2 || Wells (1–3) || Milton || Mesa (5) || 16,218 || 5–11 |- style="background:#cfc;" | 17 || April 23 || @ Cubs || 4–3 || Grabow (1–0) || Hawkins || Mesa (6) || 37,695 || 6–11 |- style="background:#fbb;" | 18 || April 24 || @ Cubs || 2–5 || Wood || Williams (1–2) || Fox || 37,452 || 6–12 |- style="background:#cfc;" | 19 || April 25 || Astros || 2–0 || Pérez (1–2) || Oswalt || Mesa (7) || 8,413 || 7–12 |- style="background:#cfc;" | 20 || April 27 || Astros || 2–0 || Wells (2–3) || Pettitte || Mesa (8) || 13,426 || 8–12 |- style="background:#fbb;" | 21 || April 29 || Giants || 2–3 || Tomko || Redman (1–2) || — || 24,209 || 8–13 |- style="background:#fbb;" | 22 || April 30 || Giants || 6–7 || Walker || Williams (1–3) || Brower || 23,972 || 8–14
|- style="background:#fbb;" | 23 || May 1 || Giants || 3–8 || Hennessey || Pérez (1–3) || — || 22,100 || 8–15 |- style="background:#fbb;" | 24 || May 2 || @ Astros || 4–11 || Pettitte || Fogg (1–2) || — || 23,882 || 8–16 |- style="background:#cfc;" | 25 || May 3 || @ Astros || 7–4 || White (1–2) || Qualls || Mesa (9) || 27,809 || 9–16 |- style="background:#cfc;" | 26 || May 4 || @ Astros || 6–4 || Torres (2–1) || Lidge || Mesa (10) || 29,299 || 10–16 |- style="background:#cfc;" | 27 || May 5 || @ Diamondbacks || 6–2 || Williams (2–3) || Estes || — || 18,906 || 11–16 |- style="background:#fbb;" | 28 || May 6 || @ Diamondbacks || 4–8 || Vazquez || Pérez (1–4) || — || 24,056 || 11–17 |- style="background:#cfc;" | 29 || May 7 || @ Diamondbacks || 3–2 || Fogg (2–2) || Ortiz || Mesa (11) || 32,879 || 12–17 |- style="background:#cfc;" | 30 || May 8 || @ Diamondbacks || 16–2 || Wells (3–3) || Halsey || — || 24,526 || 13–17 |- style="background:#fbb;" | 31 || May 9 || @ Giants || 1–2 || Tomko || Redman (1–3) || — || 34,037 || 13–18 |- style="background:#cfc;" | 32 || May 10 || @ Giants || 5–2 || Williams (3–3) || Brower || Mesa (12) || 35,668 || 14–18 |- style="background:#cfc;" | 33 || May 11 || @ Giants || 7–2 || Fogg (3–2) || Lowry || White (1) || 39,200 || 15–18 |- style="background:#fbb;" | 34 || May 13 || Brewers || 3–4 || Capuano || Mesa (0–1) || Turnbow || 23,845 || 15–19 |- style="background:#cfc;" | 35 || May 14 || Brewers || 2–0 || Redman (2–3) || Santos || — || 21,772 || 16–19 |- style="background:#cfc;" | 36 || May 15 || Brewers || 4–2 || Williams (4–3) || Glover || Mesa (13) || 15,134 || 17–19 |- style="background:#fbb;" | 37 || May 17 || Cubs || 3–4 || Ohman || Mesa (0–2) || Dempster || 19,701 || 17–20 |- style="background:#fbb;" | 38 || May 18 || Cubs || 2–3 || Wuertz || Mesa (0–3) || Dempster || 21,142 || 17–21 |- style="background:#cfc;" | 39 || May 20 || Rockies || 9–4 || Redman (3–3) || Wright || — || 31,656 || 18–21 |- style="background:#cfc;" | 40 || May 21 || Rockies || 8–3 || Pérez (2–4) || Jennings || Gonzalez (1) || 37,504 || 19–21 |- style="background:#fbb;" | 41 || May 22 || Rockies || 3–4 || Kennedy || Fogg (3–3) || Fuentes || 20,853 || 19–22 |- style="background:#fbb;" | 42 || May 23 || @ Cardinals || 2–4 || Carpenter || Williams (4–4) || Isringhausen || 33,073 || 19–23 |- style="background:#fbb;" | 43 || May 24 || @ Cardinals || 1–2 (12) || Reyes || Mesa (0–4) || — || 36,285 || 19–24 |- style="background:#fbb;" | 44 || May 25 || @ Cardinals || 5–11 || Mulder || Redman (3–4) || — || 34,895 || 19–25 |- style="background:#cfc;" | 45 || May 26 || @ Reds || 8–4 || Pérez (3–4) || Ramirez || — || 20,513 || 20–25 |- style="background:#fbb;" | 46 || May 27 || @ Reds || 5–6 || Wagner || Gonzalez (0–1) || — || 24,370 || 20–26 |- style="background:#cfc;" | 47 || May 28 || @ Reds || 9–2 || Williams (5–4) || Milton || — || 30,739 || 21–26 |- style="background:#fbb;" | 48 || May 29 || @ Reds || 2–11 || Claussen || Wells (3–4) || — || 26,107 || 21–27 |- style="background:#cfc;" | 49 || May 30 || Marlins || 3–2 (10) || White (2–2) || Jones || — || 17,379 || 22–27 |- style="background:#cfc;" | 50 || May 31 || Marlins || 5–4 || Meadows (1–0) || Bump || Mesa (14) || 12,553 || 23–27
|- style="background:#cfc;" | 51 || June 1 || Marlins || 9–1 || Fogg (4–3) || Moehler || Torres (1) || 15,487 || 24–27 |- style="background:#fbb;" | 52 || June 2 || Marlins || 3–6 || Willis || Williams (5–5) || Jones || 15,105 || 24–28 |- style="background:#cfc;" | 53 || June 3 || Braves || 3–1 || Wells (4–4) || Hudson || Mesa (15) || 27,643 || 25–28 |- style="background:#fbb;" | 54 || June 4 || Braves || 0–1 || Foster || Gonzalez (0–2) || Reitsma || 33,649 || 25–29 |- style="background:#cfc;" | 55 || June 5 || Braves || 5–2 || Pérez (4–4) || Bernero || Mesa (16) || 28,717 || 26–29 |- style="background:#fbb;" | 56 || June 6 || Orioles || 3–4 || Julio || Torres (2–2) || Ryan || 15,860 || 26–30 |- style="background:#cfc;" | 57 || June 7 || Orioles || 6–5 || Meadows (2–0) || Julio || Mesa (17) || 21,422 || 27–30 |- style="background:#cfc;" | 58 || June 8 || Orioles || 6–1 || Wells (5–4) || Chen || — || 37,438 || 28–30 |- style="background:#cfc;" | 59 || June 10 || Devil Rays || 7–2 || Redman (4–4) || Nomo || — || 27,517 || 29–30 |- style="background:#cfc;" | 60 || June 11 || Devil Rays || 18–2 || Pérez (5–4) || Kazmir || — || 31,113 || 30–30 |- style="background:#fbb;" | 61 || June 12 || Devil Rays || 5–7 (13) || Nunez || Meadows (2–1) || Orvella || 23,240 || 30–31 |- style="background:#fbb;" | 62 || June 14 || @ Yankees || 0–9 || Mussina || Wells (5–5) || — || 44,541 || 30–32 |- style="background:#fbb;" | 63 || June 15 || @ Yankees || 5–7 (10) || Rivera || Mesa (0–5) || — || 48,828 || 30–33 |- style="background:#fbb;" | 64 || June 16 || @ Yankees || 1–6 || Johnson || Pérez (5–5) || — || 54,734 || 30–34 |- style="background:#fbb;" | 65 || June 17 || @ Red Sox || 5–6 || Foulke || White (2–3) || — || 35,377 || 30–35 |- style="background:#cfc;" | 66 || June 18 || @ Red Sox || 2–0 || White (3–3) || Embree || Mesa (18) || 35,216 || 31–35 |- style="background:#fbb;" | 67 || June 19 || @ Red Sox || 0–8 || Clement || Wells (5–6) || — || 35,046 || 31–36 |- style="background:#fbb;" | 68 || June 20 || Nationals || 4–7 || Hernandez || Redman (4–5) || Cordero || 21,893 || 31–37 |- style="background:#cfc;" | 69 || June 21 || Nationals || 11–4 || Pérez (6–5) || Drese || — || 26,006 || 32–37 |- style="background:#fbb;" | 70 || June 22 || Nationals || 4–5 || Carrasco || Gonzalez (0–3) || Cordero || 24,064 || 32–38 |- style="background:#cfc;" | 71 || June 23 || @ Cardinals || 11–7 || Williams (6–5) || Morris || White (2) || 43,590 || 33–38 |- style="background:#fbb;" | 72 || June 24 || @ Cardinals || 1–8 || Suppan || Wells (5–7) || — || 48,184 || 33–39 |- style="background:#fbb;" | 73 || June 25 || @ Cardinals || 0–8 || Carpenter || Redman (4–6) || — || 48,413 || 33–40 |- style="background:#cfc;" | 74 || June 26 || @ Cardinals || 5–4 (10) || Grabow (2–0) || Reyes || Mesa (19) || 45,050 || 34–40 |- style="background:#fbb;" | 75 || June 28 || @ Nationals || 1–2 || Drese || Fogg (4–4) || Cordero || 35,828 || 34–41 |- style="background:#fbb;" | 76 || June 29 || @ Nationals || 2–3 || Ayala || Torres (2–3) || Cordero || 31,213 || 34–42 |- style="background:#fbb;" | 77 || June 30 || @ Nationals || 5–7 || Loaiza || Wells (5–8) || Cordero || 37,361 || 34–43
|- style="background:#fbb;" | 78 || July 1 || @ Brewers || 4–8 || Wise || Redman (4–7) || — || 21,804 || 34–44 |- style="background:#fbb;" | 79 || July 2 || @ Brewers || 3–5 || Bottalico || Torres (2–4) || Turnbow || 29,052 || 34–45 |- style="background:#cfc;" | 80 || July 3 || @ Brewers || 11–10 || Meadows (3–1) || Phelps || Mesa (20) || 28,323 || 35–45 |- style="background:#fbb;" | 81 || July 4 || Phillies || 1–12 || Lidle || Williams (6–6) || — || 37,259 || 35–46 |- style="background:#cfc;" | 82 || July 5 || Phillies || 3–0 || Wells (6–8) || Madson || — || 13,442 || 36–46 |- style="background:#fbb;" | 83 || July 6 || Phillies || 0–5 || Padilla || Redman (4–8) || — || 19,961 || 36–47 |- style="background:#cfc;" | 84 || July 7 || Phillies || 2–1 || Duke (1–0) || Myers || Mesa (21) || 20,942 || 37–47 |- style="background:#cfc;" | 85 || July 8 || Mets || 6–5 (10) || Mesa (1–5) || Looper || — || 32,563 || 38–47 |- style="background:#cfc;" | 86 || July 9 || Mets || 11–4 || Williams (7–6) || Ishii || — || 36,708 || 39–47 |- style="background:#fbb;" | 87 || July 10 || Mets || 1–6 || Martinez || Wells (6–9) || — || 26,551 || 39–48 |- style="background:#fbb;" | 88 || July 14 || @ Cubs || 1–5 || Prior || Redman (4–9) || — || 38,902 || 39–49 |- style="background:#fbb;" | 89 || July 15 || @ Cubs || 1–11 || Wood || Fogg (4–5) || — || 39,512 || 39–50 |- style="background:#cfc;" | 90 || July 16 || @ Cubs || 3–0 || Duke (2–0) || Maddux || Mesa (22) || 39,790 || 40–50 |- style="background:#fbb;" | 91 || July 17 || @ Cubs || 2–8 || Zambrano || Wells (6–10) || — || 39,391 || 40–51 |- style="background:#fbb;" | 92 || July 18 || Astros || 1–11 || Backe || Williams (7–7) || — || 17,590 || 40–52 |- style="background:#fbb;" | 93 || July 19 || Astros || 3–9 || Astacio || Snell (0–1) || — || — || 40–53 |- style="background:#fbb;" | 94 || July 19 || Astros || 4–6 || Rodriguez || Redman (4–10) || Lidge || 20,552 || 40–54 |- style="background:#fbb;" | 95 || July 20 || Astros || 0–8 || Pettitte || Fogg (4–6) || — || 19,769 || 40–55 |- style="background:#cfc;" | 96 || July 21 || Rockies || 8–1 || Duke (3–0) || Francis || — || 22,492 || 41–55 |- style="background:#fbb;" | 97 || July 22 || Rockies || 3–5 (10) || Fuentes || Mesa (1–6) || Cortes || 35,262 || 41–56 |- style="background:#cfc;" | 98 || July 23 || Rockies || 5–3 || Williams (8–7) || Kim || Mesa (23) || 37,778 || 42–56 |- style="background:#cfc;"