1872 Boston Red Stockings season

The 1872 Boston Red Stockings season was the second season of the franchise. They won the National Association championship.

Managed by Harry Wright, Boston finished with a record of 39–8 to win the pennant by 7.5 games. Pitcher Al Spalding started all 48 of the Red Stockings' games and led the NA with 38 wins. Second baseman Ross Barnes won the league batting title with a .430 batting average. Harry Wright, Al Spalding, and shortstop George Wright have all been elected into the Baseball Hall of Fame.

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''

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; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts