The 1889 Pittsburgh Alleghenys season was the eighth season of the Pittsburgh Alleghenys franchise and their third in the National League.
The Alleghenys finished fifth in the league standings with a record of 61–71.
1889 Pittsburgh Alleghenys Infielders Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg.
= Batting average; HR = Home runs; RBI = Runs batted in Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
This article relating to a Pittsburgh Pirates baseball season is a stub.