The 1891 Boston Beaneaters season was the 21st season of the franchise. The team finished first in the National League with an 87–51 record. After trailing the Chicago Colts by seven games in early September, the Beaneaters won 25 of their last 29 games to finish first in the league. Regular season Season standings Record vs. opponents Roster Player stats Batting Starters by position Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in Other batters Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in Pitching Starting pitchers Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Relief pitchers Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts References 1891 Boston Beaneaters season at Baseball Reference Boston Beaneaters seasons Boston Beaneaters Boston Beaneaters 19th century in Boston National League champion seasons