List of Major League Baseball single-season records
(Redirected from MLB Single Season Records)
| This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unverifiable material may be challenged and removed. (March 2007) |
Records are for post 1900 only and need to be verified by a reference source, preferably the Elias Book of Baseball Records.
Home Runs
| Barry Bonds | San Francisco Giants | 73 | 2001 |
|---|---|---|---|
| Mark McGwire | St. Louis Cardinals | 70 | 1998 |
| Sammy Sosa | Chicago Cubs | 66 | 1998 |
Hits
| 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 |
Batting Average
| Nap Lajoie | Philadelphia Athletics | .426 | 1901 |
|---|---|---|---|
| Rogers Hornsby | St. Louis Cardinals | .424 | 1924 |
| George Sisler | St. Louis Browns | .420 | 1922 |
Runs Batted In (RBI)
| Hack Wilson | Chicago Cubs | 191 | 1930 |
|---|---|---|---|
| Lou Gehrig | New York Yankees | 184 | 1931 |
| Hank Greenberg | Detroit Tigers | 183 | 1937 |
Runs
| Billy Hamilton | Philadelphia Phillies | 192 | 1894 |
|---|---|---|---|
| Lou Gehrig | New York Yankees | 167 | 1936 |
| Babe Ruth | New York Yankees | 163 | 1928 |
| Lou Gehrig | New York Yankees | 163 | 1931 |
Wins
| Jack Chesbro | New York Highlanders | 41 | 1904 |
|---|---|---|---|
| Ed Walsh | Chicago White Sox | 40 | 1908 |
| Christy Mathewson | New York Giants | 37 | 1908 |
- Al Spalding won 54 games in 1875, as well as 41 and 52, respectively, in the 2 years prior, and 47 in the following year.
- Charles "Old Hoss" Radbourn won 60 games in 1884.
Earned Run Average (ERA)
| Dutch Leonard | Boston Red Sox | 0.96 | 1914 |
|---|---|---|---|
| Mordecai Brown | Chicago Cubs | 1.04 | 1906 |
| Bob Gibson | St. Louis Cardinals | 1.12 | 1968 |
Strikeouts
| Nolan Ryan | California Angels | 383 | 1973 |
|---|---|---|---|
| Sandy Koufax | Los Angeles Dodgers | 382 | 1965 |
| Randy Johnson | Arizona Diamondbacks | 372 | 2001 |
- Matt Kilroy holds the All-Time record striking out 513 batters in 1886.
Saves
| Francisco Rodriguez | Los Angeles Angels of Anaheim | 62 | 2008 |
|---|---|---|---|
| Bobby Thigpen | Chicago White Sox | 57 | 1990 |
| John Smoltz | Atlanta Braves | 55 | 2002 |
| Éric Gagné | Los Angeles Dodgers | 55 | 2003 |
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