They defeated the Washington Senators four games to three to win their second World Series championship.

The Pirates had three future Hall of Famers in their starting lineup: Max Carey, Kiki Cuyler, and Pie Traynor.

Pittsburgh defeated the Brooklyn Robins, 21–5, on June 20 and two days later won 24–6 against the St. Louis Cardinals, becoming the first team since 1901 to score 20 or more runs in consecutive games.

Infielders Coaches 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 Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts October 7, 1925, at Forbes Field in Pittsburgh, Pennsylvania October 8, 1925, at Forbes Field in Pittsburgh, Pennsylvania October 10, 1925, at Griffith Stadium in Washington, D.C. October 11, 1925, at Griffith Stadium in Washington, D.C. October 12, 1925, at Griffith Stadium in Washington, D.C. October 13, 1925, at Forbes Field in Pittsburgh, Pennsylvania October 15, 1925, at Forbes Field in Pittsburgh, Pennsylvania LEAGUE CHAMPIONS: Johnstown