This is a list of single-season records in Major League Baseball.
Batting records Overview (1876–present) Records Player # Season RefsGamesMaury Wills165Highest batting averageTetelo Vargas.471Most singlesIchiro Suzuki225Most doublesEarl Webb67Most triplesChief Wilson36Most home runsBarry Bonds73Most runs batted inHack Wilson191Most hitsIchiro Suzuki262Most runs scoredBilly Hamilton198Highest on-base percentageBarry Bonds.609Most stolen basesHugh NicolRickey Henderson138130Highest slugging percentageJosh Gibson.974Highest OPSJosh Gibson1.4744Most walksBarry Bonds232Most strikeoutsSandy Koufax382Most extra base hitsBabe Ruth1191921Most total basesBabe Ruth457Consecutive game hitting streakJoe DiMaggio56Most at-batsJimmy Rollins716
Home runs PlayerTeamHome runsSeason Barry Bonds San Francisco Giants 73 2001 Mark McGwire St. Louis Cardinals 70 1998 Sammy Sosa Chicago Cubs 66 1998 Mark McGwire St. Louis Cardinals 65 1999 Sammy Sosa Chicago Cubs 64 2001 Sammy Sosa Chicago Cubs 63 1999 Aaron Judge New York Yankees 62 2022 Roger Maris New York Yankees 61 1962 Babe Ruth New York Yankees 60 1927 Cal Raleigh Seattle Mariners 60 2025
Most Grand Slams By a Pitcher in One Season: Tony Cloninger, Madison Bumgarner, 2
Hits PlayerTeamHitsSeason Ichiro Suzuki Seattle Mariners 262 2004 George Sisler St. Louis Browns 257 1920 Bill Terry New York Giants 254 1930 Lefty O'Doul Philadelphia Phillies 254 1929
Runs batted in
PlayerTeamRBIsSeason Hack Wilson Chicago Cubs 191 1930 Lou Gehrig New York Yankees 184 1931 Hank Greenberg Detroit Tigers 183 1937 Jimmie Foxx Boston Red Sox 175 1938 Lou Gehrig New York Yankees 175 1927
Hitting streak PlayerTeamStreakSeason Joe DiMaggio New York Yankees 56 1941 Willie Keeler Baltimore Orioles 44 1897 Pete Rose Cincinnati Reds 44 1978 Bill Dahlen Chicago Colts 42 1894 George Sisler St. Louis Browns 41 1922 Ty Cobb Detroit Tigers 40 1911
Runs scored PlayerTeamRunsSeason Billy Hamilton Philadelphia Phillies 198 1894 Babe Ruth New York Yankees 177 1921 Lou Gehrig New York Yankees 167 1936 Lou Gehrig New York Yankees 163 1931 Babe Ruth New York Yankees 163 1928 Chuck Klein Philadelphia Phillies 158 1930
Doubles PlayerTeamDoublesSeason Earl Webb Boston Red Sox 67 1931 George Burns Cleveland Indians 64 1926 Joe Medwick St. Louis Cardinals 64 1936 Hank Greenberg Detroit Tigers 63 1934 Paul Waner Pittsburgh Pirates 62 1932
Triples PlayerTeamTriplesSeason Chief Wilson Pittsburgh Pirates 36 1912 Sam Crawford Detroit Tigers 26 1914 Kiki Cuyler Pittsburgh Pirates 26 1925 Joe Jackson Cleveland Naps 26 1912
At bats PlayerTeamAt batsSeasonJimmy RollinsPhiladelphia Phillies7162007 Willie Wilson Kansas City Royals 705 1980 Ichiro Suzuki Seattle Mariners 704 2004 Juan Samuel Philadelphia Phillies 701 1984 Dave Cash Philadelphia Phillies 699 1975 Juan Pierre Chicago Cubs 699 2006
Stolen bases PlayerTeamStolen basesSeason Hugh Nicol Cincinnati Red Stockings 138 1887 Rickey Henderson Oakland Athletics 130 1982 Arlie Latham St. Louis Browns 129 1887 Lou Brock St. Louis Cardinals 118 1974 Charlie Comiskey St. Louis Browns 117 1887
Pitching records Overview RecordPlayer#SeasonMost winsOld Hoss Radbourn60Most lossesJohn Coleman481883Lowest E.R.A.Eugene Bremer0.711Most strikeoutsMatt Kilroy513Most shutoutsGeorge BradleyPete Alexander16Most innings pitchedWill White680Most complete gamesWill White75Lowest WHIPHilton Smith.6176Most savesFrancisco Rodríguez62Highest win/loss percentageRoy Face94.7%Most hits allowedJohn Coleman772Most earned runs allowedJohn Coleman291Fastest pitch thrownAroldis Chapman105.8 mph2010Fastest pitch for strikeoutBen Joyce105.5 mph2024
Live-ball era (1920–present) (if different from above) RecordPlayer#SeasonMost winsJim Bagby, Sr.Lefty GroveDenny McLain31Most lossesPaul Derringer27Most strikeoutsNolan Ryan383Most shutoutsBob Gibson13Most innings pitchedWilbur Wood376.2Most complete gamesBob Feller36Most hits allowedWilbur Wood381Most earned runs allowedBobo Newsom186
Wins
Post 19th Century PlayerTeamWinsSeason Jack Chesbro New York Yankees 41 1904 Ed Walsh Chicago White Sox 40 1908 Christy Mathewson New York Giants 37 1908 Walter Johnson Washington Senators 36 1913 Joe McGinnity New York Giants 35 1904
Live-ball era (post-1920) PlayerTeamWinsSeason Jim Bagby, Sr. Cleveland Indians 31 1920 Lefty Grove Philadelphia Athletics 31 1931 Denny McLain Detroit Tigers 31 1968 Dizzy Dean St. Louis Cardinals 30 1934 Hal Newhouser Detroit Tigers 29 1944 Dazzy Vance Brooklyn Dodgers 28 1924 Lefty Grove Philadelphia Athletics 28 1930 Dizzy Dean St. Louis Cardinals 28 1935 Robin Roberts Philadelphia Phillies 28 1952
Earned run average PlayerTeamERASeason Gene Bremer Cincinnati Tigers 0.711 1937 Satchel Paige Kansas City Monarchs 0.719 1944 Hilton Smith Kansas City Monarchs 0.794 1944
Strikeouts PlayerTeamStrikeoutsSeason Nolan Ryan California Angels 383 1973 Sandy Koufax Los Angeles Dodgers 382 1965 Randy Johnson Arizona Diamondbacks 372 2001 Nolan Ryan California Angels 367 1974 Randy Johnson Arizona Diamondbacks 364 1999
Shutouts PlayerTeamShutoutsSeason Pete Alexander Philadelphia Phillies 16 1916 Bob Gibson St. Louis Cardinals 13 1968 Jack Coombs Philadelphia Athletics 13 1910 Pete Alexander Philadelphia Phillies 12 1915
Saves PlayerTeamSavesSeason Francisco Rodríguez Los Angeles Angels 62 2008 Bobby Thigpen Chicago White Sox 57 1990 Edwin Díaz Seattle Mariners 57 2018 John Smoltz Atlanta Braves 55 2002 Éric Gagné Los Angeles Dodgers 55 2003
Balks PlayerTeamBalksSeasonDave StewartOakland Athletics161988 John Dopson Boston Red Sox 15 1989 Bob Welch Oakland Athletics 13 1988 John Candelaria New York Yankees 12 1988 Juan Guzmán Texas Rangers 12 1988
Wild pitches PlayerTeamWild pitchesSeasonRed AmesNew York Giants301905 Tony Cloninger Atlanta Braves 27 1966 Larry Cheney Chicago Cubs 26 1914 Juan Guzmán Toronto Blue Jays 26 1993
Catcher records Most runners caught stealing: Jody Davis, 89 (1986) Most stolen bases allowed: Mike Piazza, 155 (1996) Highest caught-stealing %: Mike LaValliere, 72.73% (1993) Most no-hitters caught: 2, Carlos Ruiz (2010) and Wilson Ramos (2015) (List of Major League Baseball no-hitters) Both of Ruiz's no-hitters were by Roy Halladay; the second was in Game 1 of the National League Division Series, Halladay's first career postseason start. Both of Ramos' no-hitters were by Max Scherzer.
In 1914, Yankees catcher Les Nunamaker threw out three runners in the same inning.
Team records
Hits TeamHitsSeason Philadelphia Phillies 1,783 1930
Home runs Team Home runs Season Minnesota Twins 307 2019 Atlanta Braves 307 2023 New York Yankees 306 2019 Houston Astros 288 2019 Los Angeles Dodgers 279 2019 New York Yankees 267 2018 Seattle Mariners 264 1997 Toronto Blue Jays 262 2021 Texas Rangers 260 2005 Toronto Blue Jays 257 2010 Baltimore Orioles 257 1996
Runs batted in TeamRuns Batted InSeason New York Yankees 995 1936
Runs scored TeamRuns ScoredSeason New York Yankees 1,067 1931
Notes
References