1971 Pittsburgh Pirates season

The 1971 Pittsburgh Pirates season was the 90th season for the Pittsburgh Pirates franchise; their 85th in the National League. It involved the Pirates finishing first in the National League East with a record of 97 wins and 65 losses. They defeated the San Francisco Giants three games to one in the NLCS and beat the Baltimore Orioles four games to three in the World Series. The Pirates were managed by Danny Murtaugh, and played their first full season at Three Rivers Stadium, which had opened in July the year before.

Offseason

 * October 15, 1970: Charlie Sands and 2 minor leaguers were traded to the Pirates by the New York Yankees for 3 minor leaguers.
 * October 26, 1970: Joe Gibbon released by the Pirates.
 * December 2, 1970: Freddie Patek, Bruce Dal Canton and Jerry May were traded by the Pirates to the Kansas City Royals for Bob Johnson, Jackie Hernández and Jim Campanis.
 * January 29, 1971: Matty Alou and George Brunet were traded by the Pirates to the St. Louis Cardinals for Nelson Briles and Vic Davalillo.
 * February 10, 1971: Danny Rivas (minors) was traded by the Pirates to the Mexico City Reds for Ramón Hernández.

Regular season
In 1971, the Pirates became the first Major League Baseball team to field an all-black starting lineup. Taking the field, on September 1, was Rennie Stennett, Gene Clines, Roberto Clemente, Willie Stargell, Manny Sanguillén, Dave Cash, Al Oliver, Jackie Hernández, and Dock Ellis.

Notable transactions

 * June 8, 1971: Craig Reynolds chosen by the Pirates in the 1st round of the 1971 Major League Baseball draft.
 * August 10, 1971: Bob Miller was traded to the Pirates by the San Diego Padres for Johnny Jeter and Ed Acosta.
 * August 10, 1971: Mudcat Grant was sold by the Pirates to the Oakland Athletics.

Regular season
Bold = Pirates team member''
 * - style="text-align:center;"
 * ''Legend:      = Win       = Loss       = Postponement

Postseason Game log
Bold = Pirates team member''
 * - style="text-align:center;"
 * ''Legend:      = Win       = Loss       = Postponement

Composite Box
Sources: 

National League Championship Series
The Pittsburgh Pirates won the series over the San Francisco Giants, 3–1

Composite box
1971 World Series (4–3): Pittsburgh Pirates (N.L.) over Baltimore Orioles (A.L.)

Starters by position
''Note: Pos = Position; G = Games played; AB = At bats; R = Runs scored; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in; SB = Stolen bases''

Other batters
''Note: G = Games played; AB = At bats; R = Runs scored; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in; SB = Stolen bases''

Starting pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; BB = Walks allowed; SO = Strikeouts

Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; BB = Walks allowed; SO = Strikeouts

Relief pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; BB = Walks allowed; SO = Strikeouts

Awards and honors

 * Roberto Clemente, Babe Ruth Award
 * Roberto Clemente, World Series Most Valuable Player Award
 * Roberto Clemente, Gold Glove Award

League leaders

 * Willie Stargell, National League home run champion (48)
 * Dave Giusti, Saves leader (30)

All-Stars
1971 Major League Baseball All-Star Game
 * Dock Ellis, pitcher, starter
 * Willie Stargell, outfield, starter
 * Roberto Clemente, reserve
 * Vic Davalillo, reserve
 * Manny Sanguillén, reserve