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.
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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"