1886 Pittsburgh Alleghenys season

The 1886 Pittsburgh Alleghenys season was the fifth season of the Pittsburgh Alleghenys franchise. The Alleghenys finished second in the American Association with a record of 80–57.

Game log

 * - style="text-align:center;"
 * Legend:      = Win       = Loss       = Tie

Player stats
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''
 * Batters

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
 * Pitchers

Notable transactions

 * April 1886: Milt Scott was assigned by the Alleghenys to the Baltimore Orioles.