List of Major League Baseball wins records


The following is a listing of pitching win and winning percentage records in Major League Baseball. All teams are considered to be members of the American or National Leagues, unless noted. Players denoted in boldface are still actively contributing to the record noted. An denotes a player's rookie season.

Nine or more seasons with 20 wins

0.650 win–loss percentage, career

see notes2 3
PitcherWins–lossesWinning PercentageYears played
Albert Spalding252–650.7951871–1878
Clayton Kershaw210–920.6952008-2023
Dave Foutz147–660.690141884–1896
Whitey Ford236–1060.690051950–1967
Bob Caruthers218–990.6881884–1893
Pedro Martínez219–1000.6871992–2009
Lefty Grove300–1410.6801925–1941
Larry Corcoran177–890.66541880–1887
Christy Mathewson373–1880.66491900–1916
Max Scherzer214-1080.66462008-2023
Roy Halladay203–1050.6591998–2013
Vic Raschi132–660.667 41946–1955
Sam Leever194–1000.6601898–1910
Roger Clemens354–1840.657991984–2007
Dick McBride149–780.6561871–1876
Sandy Koufax165–870.65481955–1966
Johnny Allen142–750.65441932–1944
Ron Guidry170–910.6511975–1988

0.875 winning percentage, season

see note5
PitcherWinning Pct.Wins–lossesTeamSeason
Roy Face0.94718–1Pittsburgh Pirates1959
Rick Sutcliffe60.94116–1Chicago Cubs1984
Johnny Allen0.93815–1Cleveland Indians1937
Phil Regan0.93314–1Los Angeles Dodgers1966
Albert Spalding0.91554–5Boston Red Caps (NA)1875
Greg Maddux0.90519–2Atlanta Braves1995
Randy Johnson0.90018–2Seattle Mariners1995
Ron Guidry0.89325–3New York Yankees1978
Jack Manning0.88916–2Boston Red Caps 1875
Freddie Fitzsimmons0.88916–2Brooklyn Dodgers1940
Lefty Grove0.88631–4Philadelphia Athletics1931
Bob Stanley0.88215–2Boston Red Sox1978
Preacher Roe0.88022–3Brooklyn Dodgers1951
Cliff Lee0.88022–3Cleveland Indians2008
Fred Goldsmith0.87521–3Chicago White Stockings1880
Deacon Phillippe0.87514–2Pittsburgh Pirates1910
Ron Davis0.87514–2New York Yankees1979
Max Scherzer0.87521–3Detroit Tigers2013
Clayton Kershaw0.87521–3Los Angeles Dodgers2014
Tom Seaver0.87514–2Cincinnati Reds1981