This is a list of single-season records in Major League Baseball. Batting records Overview (1876–present) Home runs Most Grand Slams By a Pitcher in One Season: Tony Cloninger, Madison Bumgarner, 2 Hits Batting average Runs batted in Hitting streak Runs scored Doubles Triples At bats Stolen bases Pitching records Overview Live-ball era (1920–present) (if different from above) Wins Post 19th Century Live-ball era (post-1920) Earned run average Strikeouts Shutouts Saves Balks Wild pitches 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 Home runs Runs batted in Runs scored Notes References Major League Baseball records