Question: The 1971 Pittsburgh Pirates played their games at the stadium that hosted what other team?

Context articles: List of Pittsburgh Pirates managers
Frank Brosseau
1972 Pittsburgh Pirates season
Nick Koback
List of Pittsburgh Pirates (NHL) players
Three Rivers Stadium
Rimp Lanier
List of Pittsburgh Pirates (NHL) head coaches
1903 Pittsburg Pirates season
1971 Pittsburgh Pirates season

The Pittsburgh Pirates are a Major League Baseball (MLB) franchise based in Pittsburgh, Pennsylvania.
 They play in the National League Central division.
 The team began play in 1882 as the Alleghenies (alternatively spelled "Alleghenys") in the American Association.
 The franchise moved to the National League after owner William Nimick became upset over a contract dispute, thus beginning the modern day franchise.
 The team currently plays home games at PNC Park which they moved into in 2001.
 Prior to PNC Park, the Pirates played games at Three Rivers Stadium and Forbes Field, among other stadiums.
Franklin Lee Brosseau (born July 31, 1944) is an American former professional baseball player.
 He played three games in Major League Baseball as a right-handed relief pitcher for the 1969 and 1971 Pittsburgh Pirates.
 A graduate of the University of Minnesota, where he received a B.A. degree in mathematics, Brosseau stood 6 ft tall and weighed 180 lb .
The 1972 Pittsburgh Pirates season was the 91st season of the Pittsburgh Pirates franchise; the 86th in the National League.
 The defending World Series champion Pirates finished first in the National League East with a record of 96–59.
 The team was defeated three games to two by the Cincinnati Reds in the 1972 National League Championship Series.
 Despite losing the series, the Pirates put up a good fight, unlike the last time the 2 teams met in the playoffs.
 In game 5, the Pirates led 3-2 in the 9th inning, and were 3 outs away from pulling off a major upset over the Reds.
 All looked good until the Pirates collapsed in the 9th inning and allowed 2 runs to score, with the walk off run coming on a wild pitch.
Nicholas Nicholie "Nick" Koback (July 19, 1935 – January 23, 2015) was a Russian American professional baseball player whose career spanned eight seasons, three of which were spent with the Major League Baseball (MLB) Pittsburgh Pirates (1953–55).
 At the age of 17, Koback signed with the Pirates as a bonus baby out of Hartford Public High School.
 He made his MLB debut without ever playing in the minor leagues.
 At the time, he was the youngest Pittsburgh Pirates player ever.
 During his first career start, Koback caught a complete game shutout by Pirates pitcher Murry Dickson.
 Most of Koback's time with Pittsburgh was spent as a bullpen catcher.
 Over his three-year MLB career, Koback compiled a .121 batting average with one run scored, four hits, one triple and one base on balls in 16 games played.
 The majority of his playing career was spent in the minor leagues with the Lincoln Chiefs (1955, 1958), Williamsport Grays (1956), Hollywood Stars (1956–57), New Orleans Pelicans (1956–57), Columbus/Gastonia Pirates (1958) and Charleston Senators (1960).
 He batted and threw right-handed.
 During his career, he weighed 187 lb and stood at 6 ft .
 After retiring from baseball, Koback played pro–am golf in Connecticut.
This is a complete list of ice hockey players who played for the Pittsburgh Pirates in the National Hockey League (NHL).
 It includes players that played at least one match, either in the NHL regular season or in the NHL playoffs.
 Granted a franchise by the NHL in 1925, the Pirates played in Pittsburgh from 1925 to 1930 and then moved to Philadelphia and became the Philadelphia Quakers.
 After their only season in Philadelphia, the franchise was cancelled due to financial problems.
 Both cities were awarded expansion teams over a quarter of a century later (the Flyers and Penguins).
Three Rivers Stadium was a multi-purpose stadium located in Pittsburgh, Pennsylvania, from 1970 to 2000.
 It was home to the Pittsburgh Pirates of Major League Baseball (MLB) and the Pittsburgh Steelers of the National Football League (NFL).
Lorenzo "Rimp" Lanier (born October 19, 1948) is an American former professional baseball player.
 An outfielder and third baseman, Lanier had a September trial with the 1971 Pittsburgh Pirates of Major League Baseball.
 He appeared in six games, five as a pinch hitter and one as a pinch runner, with five plate appearances, no hits and no runs scored.
 He reached base once when he was hit by a pitch thrown by Gary Gentry of the New York Mets on September 17.
 Lanier was not on the postseason roster as the Pirates went on to win the National League pennant and the 1971 World Series.
This is a complete list of head coaches of the Pittsburgh Pirates and Philadelphia Quakers in the National Hockey League (NHL).
 Granted a franchise by the NHL in 1925, the Pirates played in Pittsburgh from 1925 to 1930 and then moved to Philadelphia and became the Philadelphia Quakers.
 After their only season in Philadelphia, the franchise was cancelled due to financial problems.
 Both cities were awarded expansion teams over a quarter of a century later (the Flyers and Penguins).
The 1903 Pittsburgh Pirates season was the 22nd year the Pittsburgh Pirates played in Major League Baseball.
 The club finish their season as National League champions, beating the second-place New York Giants by 6½ games.
 They went on to participate in the 1903 World Series, the first to be played between the champions of the National League and American League.
 The Pirates started off well, winning 3 of the first four games, but the Boston Americans won the last four straight to win the series five games to three.
 The Pirates set a record of 52 consecutive innings without allowing the opposing team to score a run, a record that still stands today.
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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 National League Championship Series 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.