The 1974 Pittsburgh Pirates season was the 93rd season of the Pittsburgh Pirates franchise; the 88th in the National League. The Pirates finished first in the National League East with a record of 88–74. The Pirates were defeated three games to one by the Los Angeles Dodgers in the NLCS.

Offseason October 18, 1973: Ken Brett was traded to the Pirates by the Philadelphia Phillies for Dave Cash.Ken Brett at Baseball Almanac October 18, 1973: Jerry Reuss was traded to the Pirates by the Houston Astros for Milt May.Jerry Reuss at Baseball Almanac December 4, 1973: Nelson Briles and Fernando Gonzalez were traded by the Pirates to the Kansas City Royals for Ed Kirkpatrick and Kurt Bevacqua.Nelson Briles at Baseball Almanac December 5, 1973: Luke Walker was sold by the Pirates to the Detroit Tigers.Luke Walker at Baseball Almanac December 7, 1973: Bob Johnson was traded by the Pirates to the Cleveland Indians for Burnel Flowers (minors).Bob Johnson at Baseball Almanac January 9, 1974: Fred Breining was drafted by the Pirates in the 3rd round of the 1974 Major League Baseball draft.Fred Breining at Baseball Reference January 16, 1974: John Lamb was purchased from the Pirates by the Chicago White Sox.John Lamb at Baseball-Reference January 31, 1974: Jackie Hernández was traded by the Pirates to the Philadelphia Phillies for Mike Ryan.Jackie Hernández at Baseball Almanac March 14, 1974: Silvio Martínez was signed as an amateur free agent by the Pirates.Silvio Martínez at Baseball Reference March 27, 1974: John Lamb was purchased by the Pirates from the Chicago White Sox. April 1, 1974: Tom Dettore was traded by the Pirates to the Chicago Cubs for Paul Popovich.Paul Popovich at Baseball Almanac

Regular season

Season standings

Record vs. opponents

Game log

|- bgcolor="ffbbbb" | 1 || April 5 || @ Cardinals || 5–6 (10) || Hrabosky || Giusti (0–1) || — || 24,210 || 0–1 |- bgcolor="ffbbbb" | 2 || April 6 || @ Cardinals || 0–8 || Siebert || Moose (0–1) || — || 17,875 || 0–2 |- bgcolor="ffbbbb" | 3 || April 10 || Expos || 8–12 (13) || Taylor || Hernández (0–1) || — || 40,434 || 0–3 |- bgcolor="ffbbbb" | 4 || April 11 || Expos || 1–5 || Rogers || Ellis (0–1) || — || 5,606 || 0–4 |- bgcolor="ffbbbb" | 5 || April 12 || Cardinals || 6–7 (11) || Garman || Kison (0–1) || Folkers || 9,524 || 0–5 |- bgcolor="ffbbbb" | 6 || April 13 || Cardinals || 4–6 || McGlothen || Rooker (0–1) || Richert || 7,026 || 0–6 |- bgcolor="ccffcc" | 7 || April 14 || Cardinals || 8–4 || Moose (1–1) || Thompson || — || || 1–6 |- bgcolor="ffbbbb" | 8 || April 14 || Cardinals || 5–6 || Curtis || Brett (0–1) || Folkers || 11,949 || 1–7 |- bgcolor="ccffcc" | 9 || April 16 || @ Cubs || 8–5 (12) || Kison (1–1) || Paul || — || 14,953 || 2–7 |- bgcolor="ffbbbb" | 10 || April 17 || @ Cubs || 9–18 || Hooton || Reuss (0–1) || — || 15,560 || 2–8 |- bgcolor="ffbbbb" | 11 || April 18 || @ Cubs || 0–1 || Frailing || Rooker (0–2) || Burris || 13,054 || 2–9 |- bgcolor="ffbbbb" | 12 || April 20 || @ Mets || 2–5 || Koosman || Moose (1–2) || — || 18,070 || 2–10 |- bgcolor="ccffcc" | 13 || April 21 || @ Mets || 7–0 || Brett (1–1) || Seaver || — || 23,375 || 3–10 |- bgcolor="ccffcc" | 14 || April 24 || @ Braves || 5–3 || Ellis (1–1) || Niekro || Giusti (1) || 3,395 || 4–10 |- bgcolor="ffbbbb" | 15 || April 25 || @ Braves || 2–3 || Reed || Reuss (0–2) || — || 3,437 || 4–11 |- bgcolor="ccffcc" | 16 || April 26 || Astros || 4–3 || Giusti (1–1) || Scherman || — || 11,145 || 5–11 |- bgcolor="ffbbbb" | 17 || April 27 || Astros || 7–10 || Griffin || Moose (1–3) || — || 6,835 || 5–12 |- bgcolor="ccffcc" | 18 || April 28 || Astros || 7–3 || Brett (2–1) || Osteen || Giusti (2) || 13,073 || 6–12

|- bgcolor="ffbbbb" | 19 || May 1 || Reds || 3–5 || Carroll || Morlan (0–1) || Borbon || 8,195 || 6–13 |- bgcolor="ccffcc" | 20 || May 3 || Braves || 4–2 || Reuss (1–2) || Harrison || — || 11,248 || 7–13 |- bgcolor="ccffcc" | 21 || May 4 || Braves || 4–3 || Rooker (1–2) || Niekro || — || 8,069 || 8–13 |- bgcolor="ffbbbb" | 22 || May 5 || Braves || 2–3 || Reed || Brett (2–2) || House || 13,596 || 8–14 |- bgcolor="ffbbbb" | 23 || May 7 || @ Astros || 1–2 || Griffin || Ellis (1–2) || — || 9,909 || 8–15 |- bgcolor="ffbbbb" | 24 || May 8 || @ Astros || 6–8 (12) || Nagy || Sadowski (0–1) || — || 11,266 || 8–16 |- bgcolor="ccffcc" | 25 || May 9 || @ Astros || 4–1 || Rooker (2–2) || Roberts || — || 10,864 || 9–16 |- bgcolor="ffbbbb" | 26 || May 10 || @ Phillies || 2–3 || Ruthven || Brett (2–3) || Scarce || 16,388 || 9–17 |- bgcolor="ffbbbb" | 27 || May 11 || @ Phillies || 1–3 || Carlton || Moose (1–4) || — || 21,070 || 9–18 |- bgcolor="ffbbbb" | 28 || May 12 || @ Phillies || 7–8 || Farmer || Ellis (1–3) || Watt || 11,243 || 9–19 |- bgcolor="ffbbbb" | 29 || May 14 || Cubs || 1–7 || Reuschel || Reuss (1–3) || — || 6,541 || 9–20 |- bgcolor="ccffcc" | 30 || May 15 || Cubs || 3–2 (14) || Kison (2–1) || Bonham || — || 6,873 || 10–20 |- bgcolor="ccffcc" | 31 || May 16 || Cubs || 5–2 || Brett (3–3) || Frailing || Kison (1) || 5,845 || 11–20 |- bgcolor="ffbbbb" | 32 || May 18 || Phillies || 2–9 || Schueler || Moose (1–5) || — || 8,021 || 11–21 |- bgcolor="ffbbbb" | 33 || May 19 || Phillies || 2–3 || Lonborg || Ellis (1–4) || Watt || || 11–22 |- bgcolor="ccffcc" | 34 || May 19 || Phillies || 2–1 || Reuss (2–3) || Ruthven || — || 13,426 || 12–22 |- bgcolor="ffbbbb" | 35 || May 20 || @ Expos || 2–4 || Torrez || Rooker (2–3) || Taylor || 12,228 || 12–23 |- bgcolor="ccffcc" | 36 || May 21 || @ Expos || 8–4 || Brett (4–3) || Moore || — || 9,231 || 13–23 |- bgcolor="ffbbbb" | 37 || May 23 || @ Expos || 4–5 || Rogers || Kison (2–2) || Taylor || 7,209 || 13–24 |- bgcolor="ccffcc" | 38 || May 24 || Mets || 4–1 || Reuss (3–3) || Matlack || — || 12,257 || 14–24 |- bgcolor="ffbbbb" | 39 || May 25 || Mets || 3–4 || Koosman || Ellis (1–5) || — || 11,260 || 14–25 |- bgcolor="ffbbbb" | 40 || May 26 || Mets || 3–5 || Sadecki || Giusti (1–2) || Parker || 15,573 || 14–26 |- bgcolor="ccffcc" | 41 || May 27 || Padres || 6–0 || Brett (5–3) || Jones || — || || 15–26 |- bgcolor="ccffcc" | 42 || May 27 || Padres || 8–7 || Tekulve (1–0) || McAndrew || — || 15,367 || 16–26 |- bgcolor="ccffcc" | 43 || May 29 || Padres || 13–3 || Reuss (4–3) || Hardy || — || 4,534 || 17–26 |- bgcolor="ffbbbb" | 44 || May 31 || @ Reds || 5–7 || Borbon || Rooker (2–4) || — || 40,205 || 17–27

|- bgcolor="ccffcc" | 45 || June 1 || @ Reds || 14–1 || Brett (6–3) || Nelson || — || 36,999 || 18–27 |- bgcolor="ffbbbb" | 46 || June 2 || @ Reds || 1–5 || Norman || Kison (2–3) || — || 38,354 || 18–28 |- bgcolor="ffbbbb" | 47 || June 4 || @ Dodgers || 0–5 || John || Reuss (4–4) || — || 23,472 || 18–29 |- bgcolor="ffbbbb" | 48 || June 5 || @ Dodgers || 2–3 || Marshall || Rooker (2–5) || — || 25,959 || 18–30 |- bgcolor="ffbbbb" | 49 || June 6 || @ Dodgers || 0–6 || Messersmith || Brett (6–4) || — || 26,717 || 18–31 |- bgcolor="ffbbbb" | 50 || June 7 || @ Giants || 2–6 || D'Acquisto || Demery (0–1) || — || 3,845 || 18–32 |- bgcolor="ccffcc" | 51 || June 8 || @ Giants || 5–2 || Ellis (2–5) || Bradley || Kison (2) || 9,138 || 19–32 |- bgcolor="ccffcc" | 52 || June 9 || @ Giants || 14–1 || Reuss (5–4) || Bryant || — || 8,786 || 20–32 |- bgcolor="ffbbbb" | 53 || June 10 || @ Padres || 8–9 || Romo || Tekulve (1–1) || — || 7,309 || 20–33 |- bgcolor="ccffcc" | 54 || June 11 || @ Padres || 5–2 || Brett (7–4) || Jones || — || 9,505 || 21–33 |- bgcolor="ffbbbb" | 55 || June 12 || @ Padres || 2–5 || Freisleben || Demery (0–2) || Tomlin || 12,336 || 21–34 |- bgcolor="ccffcc" | 56 || June 14 || Giants || 4–2 || Ellis (3–5) || Bryant || — || 18,588 || 22–34 |- bgcolor="ccffcc" | 57 || June 15 || Giants || 3–2 (9) || Patterson (1–0) || Sosa || — || 13,571 || 23–34 |- bgcolor="ccffcc" | 58 || June 16 || Giants || 4–3 || Rooker (3–5) || Bradley || — || 12,606 || 24–34 |- bgcolor="ccffcc" | 59 || June 17 || Dodgers || 7–3 || Brett (8–4) || Sutton || — || 17,105 || 25–34 |- bgcolor="ccffcc" | 60 || June 18 || Dodgers || 2–0 || Giusti (2–2) || John || Patterson (1) || 15,054 || 26–34 |- bgcolor="ccffcc" | 61 || June 19 || Dodgers || 7–3 || Reuss (6–4) || Rau || — || 16,493 || 27–34 |- bgcolor="ffbbbb" | 62 || June 20 || @ Cubs || 0–3 || Reuschel || Ellis (3–6) || — || 12,321 || 27–35 |- bgcolor="ffbbbb" | 63 || June 21 || @ Cubs || 2–3 || Stone || Rooker (3–6) || Zamora || 11,625 || 27–36 |- bgcolor="ccffcc" | 64 || June 22 || @ Cubs || 6–0 || Brett (9–4) || Frailing || — || 10,069 || 28–36 |- bgcolor="ffbbbb" | 65 || June 23 || @ Cubs || 3–7 || Bonham || Giusti (2–3) || — || 24,855 || 28–37 |- bgcolor="ffbbbb" | 66 || June 24 || @ Cardinals || 1–3 || Foster || Reuss (6–5) || Garman || || 28–38 |- bgcolor="ffbbbb" | 67 || June 24 || @ Cardinals || 0–4 || Gibson || Demery (0–3) || — || 25,093 || 28–39 |- bgcolor="ffbbbb" | 68 || June 25 || @ Cardinals || 7–8 || Hrabosky || Patterson (1–1) || Curtis || 17,392 || 28–40 |- bgcolor="ccffcc" | 69 || June 26 || @ Cardinals || 7–2 || Rooker (4–6) || Siebert || — || 18,487 || 29–40 |- bgcolor="ccffcc" | 70 || June 29 || Phillies || 6–3 || Reuss (7–5) || Lonborg || — || 15,839 || 30–40 |- bgcolor="ccffcc" | 71 || June 30 || Phillies || 11–8 || Brett (10–4) || Carlton || — || || 31–40 |- bgcolor="ccffcc" | 72 || June 30 || Phillies || 3–2 || Kison (3–3) || Schueler || — || 25,730 || 32–40

|- bgcolor="ccffcc" | 73 || July 2 || Expos || 4–2 || Rooker (5–6) || Montague || — || 13,138 || 33–40 |- bgcolor="ccffcc" | 74 || July 3 || Expos || 2–1 || Reuss (8–5) || Montague || — || 11,123 || 34–40 |- bgcolor="ffbbbb" | 75 || July 4 || Expos || 1–2 || Rogers || Brett (10–5) || — || || 34–41 |- bgcolor="ccffcc" | 76 || July 4 || Expos || 3–2 || Kison (4–3) || Blair || — || 22,456 || 35–41 |- bgcolor="ffbbbb" | 77 || July 5 || @ Astros || 1–7 || Dierker || Ellis (3–7) || — || 23,047 || 35–42 |- bgcolor="ffbbbb" | 78 || July 6 || @ Astros || 0–1 || Wilson || Kison (4–4) || — || 29,640 || 35–43 |- bgcolor="ccffcc" | 79 || July 7 || @ Astros || 6–4 (10) || Giusti (3–3) || Scherman || — || 18,984 || 36–43 |- bgcolor="ffbbbb" | 80 || July 8 || Braves || 0–5 || Leon || Reuss (8–6) || — || 11,494 || 36–44 |- bgcolor="ccffcc" | 81 || July 9 || Braves || 5–4 || Brett (11–5) || Niekro || Giusti (3) || 13,737 || 37–44 |- bgcolor="ffbbbb" | 82 || July 10 || Braves || 5–10 || Morton || Ellis (3–8) || — || 13,922 || 37–45 |- bgcolor="ffbbbb" | 83 || July 12 || Reds || 0–7 || Gullett || Rooker (5–7) || — || || 37–46 |- bgcolor="ffbbbb" | 84 || July 12 || Reds || 3–4 || Carroll || Demery (0–4) || Carroll || 30,507 || 37–47 |- bgcolor="ffbbbb" | 85 || July 13 || Reds || 4–9 || Hall || Reuss (8–7) || Borbon || 15,386 || 37–48 |- bgcolor="ffbbbb" | 86 || July 14 || Reds || 2–3 || Norman || Brett (11–6) || Carroll || || 37–49 |- bgcolor="ccffcc" | 87 || July 14 || Reds || 2–1 || Kison (5–4) || Billingham || Giusti (4) || 27,151 || 38–49 |- bgcolor="ccffcc" | 88 || July 15 || Astros || 3–1 || Ellis (4–8) || Roberts || — || 9,171 || 39–49 |- bgcolor="ccffcc" | 89 || July 16 || Astros || 6–2 || Rooker (6–7) || Dierker || — || 9,935 || 40–49 |- bgcolor="ccffcc" | 90 || July 17 || Astros || 11–3 || Demery (1–4) || Wilson || — || 10,941 || 41–49 |- bgcolor="ccffcc" | 91 || July 18 || @ Braves || 4–0 || Reuss (9–7) || Reed || — || 8,262 || 42–49 |- bgcolor="ccffcc" | 92 || July 19 || @ Braves || 2–0 || Brett (12–6) || Niekro || Giusti (5) || 9,583 || 43–49 |- bgcolor="ccffcc" | 93 || July 20 || @ Braves || 7–6 (11) || Giusti (4–3) || Frisella || — || 40,225 || 44–49 |- bgcolor="ccffcc" | 94 || July 21 || @ Braves || 6–2 || Ellis (5–8) || Capra || — || 9,351 || 45–49 |- bgcolor="ffbbbb" | 95 || July 25 || @ Expos || 5–10 || Renko || Rooker (6–8) || — || || 45–50 |- bgcolor="ccffcc" | 96 || July 25 || @ Expos || 3–2 || Reuss (10–7) || Rogers || Giusti (6) || 27,283 || 46–50 |- bgcolor="ccffcc" | 97 || July 26 || @ Expos || 3–0 || Ellis (6–8) || Blair || Hernández (1) || 22,278 || 47–50 |- bgcolor="ffbbbb"