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103-36
The Pirates finished with the best record in the MLB in 1902, at 103-36. It was the Pirates first ever 100 win team. They won the National League pennant with a record setting .789 home winning percentage. -
110-42
The Pirates set a team record for wins in a season when they went 110-42 in 1909. They won the National League pennant, and eventually the World Series over the Detroit Tigers. IMAGE CREDIT: Library of Congress Prints and Photographs Division, Pittsburgh Athletic Club -
95-59-1
The Pirates capped off a magical season with the most memorable World Series win in history. Bill Mazeroski walked it off with a 9th inning game 7 homerun to secure a Pirates World Series title. IMAGE CREDIT: Icon SMI -
97-65
The Pirates finished first in the National League East, and won the World Series over the Baltimore Orioles. This was their first full season at Three Rivers Stadium. -
96-59
The Pirates were defeated by the Reds in the NLCS in 1972, however they had a successfull season in which they finished 96-59. -
96-66
The Pirates finished in second place in 1977 despite having a 96-66 record. -
98-64
The Pirates won the National League title with a 98-64 record in 1979. The beginning of the "We Are Family" era was capped off by a World Series win over the Baltimore Orioles. -
98-64
The Pittsburgh Pirates once again won 98 games in 1991, which was highlighted by a 20 win season by pitcher John Smiley. -
96-66
The Pirates were able to win their third consecutive division title in 1992, with a 96-66 record. They fell short in the NLCS and would not see another winning season until 2013. -
98-64
The Pirates were able to win 98 games in 2015, securing a Wild Card spot but losing to the Cubs. The season was highlighted by four players earning All-Star honors. IMAGE CREDIT: Charles LeClare - USA Today Sports