Baseball Abbreviations

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Tony Gwynn had another typically great season in 1997: 592 AB, 220 H, and his AVG was a National League leading .372. What do all those abbreviations stand for? Baseball Almanac is pleased to present a common set of abbreviations seen and used in print on a regular basis.

"A passion for statistics is the earmark of a literate people." - Paul Fischer in The Fireside Book of Baseball (Charles Einstein, Simon and Schuster, 1956, Page 236)

Baseball Stats Baseball Abbreviations 101
Offensive Abbreviations for Statistics
AB BB AVG CS 2B GIDPGRSL HBP H HRR HR IBB ISOLOBOBP OPS R RBI SF SH S SLG SB% SBR SB SO TB 3B	At Bats Bases on Balls (Walks) Batting Average Caught Stealing Doubles Ground into Double PlaysGrand Slams Hit by Pitch Hits Home Run Ratio Home Runs IntentionalBasesonBalls(Walks) Isolated PowerLeft on BaseOn-Base Percentage On-Base Plus Slugging Runs Runs Batted In Sacrifice Flies Sacrifice Hits (Bunts) Singles Slugging Percentage Stolen Base Percentage Stolen Base Runs Stolen Bases Strikeouts Total Bases Triples
Pitching Abbreviations for Statistics
AO BBBFP BK CBO CG CGL ER ERA GF GO GOAO GP GS H HBP HR IBB IP IRA IPS L MB9 OBA PA R RPF RW S/SHO SO SV SVO TB W WP	Fly Outs (Air) Walks (Bases on Balls)Batters Facing Pitcher Balks Combined Shutout Complete Games Complete Game Losses Earned Runs Earned Run Average Games Finished Ground Outs Ground Outs / Fly Outs Ratio Games Played Games Started Hits Hit Batters Home Runs Intentional Walks Innings Pitched Inherited Runs Allowed Innings Per Start Losses Baserunners Per 9 Innings Opponents' Batting Average Plate Appearances Runs Relief Failures Relief Wins Shutouts Strikeouts Saves Save Opportunities Total Bases Wins Wild Pitches
Defensive Abbreviations for Statistics
A CS DP E GP OFA PB PK PO SB TC TP	Assists Caught Stealing Double Plays Errors Games Played Outfield Assists Passed Balls Pickoffs Putouts Stolen BasesTotal Chances Triple Plays
Miscellaneous Abbreviations for Statistics
ML SER	Major League Service
Baseball Stats Abbreviations 101

There are many variations to this "common" set (DO Doubles, TR Triples), but these are considered "official" and are the versions used here at Baseball Almanac.

Did you know that the official statistics for the National Association (a non-official league [1871-1875] that gave birth to the National League) burned in a fire?

During the 1960s a Special Baseball Records Committee was formed by Major League Baseball to evaluate the erratic records kept prior to the 1920 season.

Where what happened yesterday is being preserved today.

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