1904 Washington Senators season

The 1904 Washington Senators won 38 games, lost 113, and finished in eighth place in the American League. They were managed by Malachi Kittridge and Patsy Donovan and played home games at National Park. Their winning percentage of .252 is fourth worst for any MLB team since 1900.

Notable transactions

 * July 20, 1904: Davey Dunkle was purchased from the Senators by the Louisville Colonels.

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

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