List of Major League Baseball single-season records


This is a list of single-season records in Major League Baseball.

Batting records

Overview (1876–present)

[Home run]s

Batting average">Batting average (baseball)">Batting average

[Runs batted in]

PlayerTeamRBIsSeason
Hack WilsonChicago Cubs1911930
Lou GehrigNew York Yankees1841931
Hank GreenbergDetroit Tigers1831937
Jimmie FoxxBoston Red Sox1751938
Lou GehrigNew York Yankees1751927

[Hitting streak]

[Runs scored]

Doubles">Double (baseball)">Doubles

Triples">Triple (baseball)">Triples

[At bats]

[Stolen bases]

Pitching records

Overview

Live-ball era (1920–present)

RecordPlayer#Season
Most winsJim Bagby, Sr.
Lefty Grove
Denny McLain		31
Most lossesPaul Derringer27
Most strikeoutsNolan Ryan383
Most shutoutsBob Gibson13
Most innings pitchedWilbur Wood376.2
Most complete gamesBob Feller36
Most hits allowedWilbur Wood381
Most earned runs allowedBobo Newsom186

Wins">Win–loss record (pitching)">Wins

Post 19th Century

Live-ball era (post-1920)

[Earned run average]

[Strikeouts]

[Shutouts]

Saves">Save (baseball)">Saves

[Balks]

[Wild pitch]es

Catcher records

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

Home runs

Runs batted in

Runs scored