MLB
MLB the oldest major professional sports league in the world. MLB comprises 30 teams, divided equally between the National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. Formed in 1876 and 1901, respectively, the NL and AL cemented their cooperation with the National Agreement in 1903.
- Founded: 1876
- Number of teams: 30
Most career games played by a non-pitcher
1963-1986
Most career at bats
1963-1986
Most career runs
1979-2003
Most career hits
1963-1986
Most career doubles
1907-1928
Most career triples
1899-1917
Most career home runs
1986-2007
Most career RBIs
1954-1976
Most career walks
1986-2007
Most career strikeouts
1967-1987
Most career stolen bases
1979-2003
Most career catches stealing
1979-2003
Highest career batting average
1930-1946
Highest career on-base percentage
1939-1960
Highest career slugging percentage
1930-1946
Highest career on-base plus slugging percentage
1930-1946
Most career hit by pitch
1891-1918
Most career sacrifice bunts
1906-1930
Most career total bases
1954-1976
Longest home run
New York Yankees, 1921
Most games played by a non-pitcher in a season
Los Angelos Dodgers, 1962
Most at bats in a season
Philadelphia Phillies, 2007
Most runs in a season
Philadelphia Phillies, 1894
Most hits in a season
Seattle Mariners, 2004
Most doubles in a season
Boston Red Sox, 1931
Most triples in a season
Pittsburg Pirates, 1912
Most home runs in a season
San Francisco Giants, 2001
Most RBIs in a season
Chicago Cubs, 1930
Most walks in a season
San Fransisco Giants, 2004
Most strikeouts in a season
Arizona Diamondbacks, 2009
Most stolen bases in a season
Cincinnati Reds, 1887
Most caught stealing in a season
Oakland Athletics, 1982
Highest batting average in a season
Homestead Grays, 1943
Highest on-base percentage in a season
San Fransisco Giants, 2004
Highest slugging percentage in a season
Homestead Grays, 1937
Highest on-base plus slugging percentage in a season
Homestead Grays, 1937
Most hits by pitch in a season
Baltimore Orioles, 1896
Most sacrifice bunts in a season
Cleveland Indians, 1917
Most total bases in a season
New York Yankees, 1921
Most at bats by a team in a season
1997
Most runs by a team in a season
1894
Most hits by a team in a season
1930
Most doubles by a team in a season
2008
Most triples by a team in a season
1894
Most home runs by a team in a season
San Francisco Giants, 2001
Most RBIs by a team in a season
1894
Most walks by a team in a season
2019
2023
Most strikeouts by a team in a season
2023
Most stolen bases by a team in a season
1887
Most caught stealing by a team in a season
1976
Highest batting average by a team in a season
1894
Highest on-base percentage by a team in a season
1894
Highest slugging percentage by a team in a season
2023
Highest on-base plus slugging percentage by a team in a season
1894
Most hits by pitch by a team in a season
1930
Most total bases by a team in a season
2003
2019
Stadium with the most home runs hit
San Diego Padres
Fastest in the park home run
Tracked by Statcast
Twins vs. Diamondbacks, Aug 18, 2017
Youngest to hit a home run
Dodgers vs. Pirates, Aug 20, 1945
Oldest to hit a home run
Mets vs. Diamondbacks, May 4, 2007
Most career wins by a pitcher
Most career losses by a pitcher
Lowest career earned-run average
Highest career earned-run average
Most career games pitched
Most career games started by a pitcher
Most career complete games pitched
Most career shutouts pitched
Most career saves
Most career save opportunites
Most innings pitched in a career
Most career hits allowed
Most career runs allowed
Most career earned runs allowed
Most career home runs allowed
Most batters hit in a career
Most career walks pitched
Most career strikeouts pitched
Lowest walks plus hits per inning pitched in a career
Lowest career batting average against
Most career no-hitters pitched
Most career pickoffs
Highest win/loss percentage in a career
Most consecutive scoreless innings pitched in a career
Most wild pitches thrown in a career
Most balks in a career
Most pickoffs in a career
Most single season wins by a pitcher
Providence Grays, 1884
Most single season losses by a pitcher
Philadelphia Quakers, 1883
Lowest single season earned run average
Troy Trojans, 1880
Most single season strikeouts
Baltimore Orioles, 1886
Most single season shutouts
St. Louis Brown Stockings, 1876
Philadelphia Athletics, 1916
Most single season innings pitched
Cincinnati Reds, 1879
Most single season complete games pitched
Cincinnati Reds, 1879
Lowest single season walks and hits per inning pitched
Kansas City Royals, 1944
Most single season saves
Los Angelos Angels, 2008
Highest single season win/loss percentage
Pittsburgh Pirates, 1959
Most single season hits allowed
Philadelphia, 1883
Most single season earned runs allowed
Philadelphia, 1883
Most wild pitches thrown in a single season
Louisville Colonels, 1889
Most balks in a single season
Oakland Athletics, 1988
Most pickoffs in a single season
Toronto Blue Jays, 1977
Most strikeouts pitched in a single game
Cubs vs. Astros, May 6, 1998
Mariners vs. White Sox, Aug 8, 1997
Red Sox vs. Tigers, Sep 18, 1996
Red Sox vs. Mariners, Apr 29, 1986
Most strikeouts pitched in a single game with extra innings
Senators vs. Orioles, Sep 12, 1962
Diamondbacks vs. Reds, May 8, 2001
Most walks pitched in a single game
Nationals vs. Cubs, May 8, 2016
Astros vs. Marlins, Aug 20, 1999
Indians vs. Orioles, May 2, 1984
Red Soz vs. Browns, Jun 16, 1938
Most hits allowed pitched in a single game
Athletics vs. Indians, Jul 10, 1932
Most runs allowed by starting pitcher in single game
Tigers vs. Athletics, May 18, 1912, 8 IP
Most batters faced in a single game
Robins vs. Braves, May 1, 1920
Most pitches thrown in a single game
19 strikeouts, 13 innings
Angels vs. Red Sox, Jun 14, 1974
Most strikeouts by a team in a single season
2023
Most walks by a team in a single season
1949
Most hits allowed by a team in a single season
1930
Most batters hit by a team in a single season
1898
Fastest pitch thrown
2010
Most Cy Young Awards won
Fun fact: Nolan Ryan never won a Cy Young Award.
1986, '87, '91, '97, '98, 2001, '04
1995, '99, 2000, '01, '02
Most Cy Young Awards won by a team
1956, '62, '63, '65, '66, '74, '81, '88, 2003, '11, '13, '14
Most single season strikeouts
Baltimore Orioles, 1886
Most strikeouts pitched in a single game
Cubs vs. Astros, May 6, 1998
Mariners vs. White Sox, Aug 8, 1997
Red Sox vs. Tigers, Sep 18, 1996
Red Sox vs. Mariners, Apr 29, 1986
Most strikeouts pitched in a single game with extra innings
Senators vs. Orioles, Sep 12, 1962
Diamondbacks vs. Reds, May 8, 2001
Most strikeouts by a team in a single season
2023
Most career strikeouts
1967-1987
Most strikeouts in a season
Arizona Diamondbacks, 2009
Most strikeouts by a team in a season
2023
Most hits allowed pitched in a single game
Athletics vs. Indians, Jul 10, 1932
Most hits allowed by a team in a single season
1930
Most career hits
1963-1986
Most hits in a season
Seattle Mariners, 2004
Most hits by a team in a season
1930
Most career home runs allowed
Most career home runs
1986-2007
Most home runs in a season
San Francisco Giants, 2001
Most home runs by a team in a season
San Francisco Giants, 2001
Most runs allowed by starting pitcher in single game
Tigers vs. Athletics, May 18, 1912, 8 IP
Most career runs
1979-2003
Most runs in a season
Philadelphia Phillies, 1894
Most runs by a team in a season
1894
Highest career percentage of runners caught by a catcher
1948-1957, Brooklyn Dodgers
Highest season percentage of runners caught by a catcher
1951, Brooklyn Dodgers
Most double plays by a team in a season
1990
Most walks pitched in a single game
Nationals vs. Cubs, May 8, 2016
Astros vs. Marlins, Aug 20, 1999
Indians vs. Orioles, May 2, 1984
Red Soz vs. Browns, Jun 16, 1938
Most walks by a team in a single season
1949
Most career losses by a pitcher
Most single season losses by a pitcher
Philadelphia Quakers, 1883
Most career wins by a pitcher
Most single season wins by a pitcher
Providence Grays, 1884