Batting Stats
Abbrv. Description Calculation Significance AVG Batting Average Hits / At Bats Measures how often a batter gets a hit OBP On-base Percentage (Hits + Walks + Hit by Pitch) / (At Bats + Walks + Hit by Pitch + Sacrifice Flies) Measures how often a batter reaches base SLG Slugging Percentage Total Bases / At Bats Measures a batter’s power OPS On-base Plus Slugging OBP + SLG Combines hitting efficiency and power HR Home Runs Total home runs hit Indicates power hitting ability RBI Runs Batted In Total number of runs a batter has batted in Measures a player’s ability to contribute to scoring SB Stolen Bases Total bases stolen Measures a player’s speed and base-running ability BB Walks (Base on Balls) Total number of walks Measures a batter’s eye, indicating discipline SO Strikeouts Total number of strikeouts Indicates how often a batter fails to make contact TB Total Bases Single + (2 x Double) + (3 x Triple) + (4 x Home Run) Measures the total bases a player has earned ISO Isolated Power SLG – AVG Measures a batter’s raw power BABIP Batting Average on Balls In Play (Hits – Home Runs) / (At Bats – Strikeouts – Home Runs + Sacrifice Flies) Measures how often a ball in play goes for a hit wOBA Weighted On-base Average Complex formula weighting each type of hit and walk Measures a player’s overall offensive contributions wRC+ Weighted Runs Created Plus Adjusted runs created from wOBA, park factors, league average Measures a player’s offensive value in runs
Pitching Stats
Abbrv. Description Calculation Significance ERA Earned Run Average (Earned Runs x 9) / Innings Pitched Measures runs allowed per 9 innings WHIP Walks + Hits per Innings Pitched (Walks + Hits) / Innings Pitched Measures how many baserunners a pitcher allows K/9 Strikeouts per Nine Innings (Strikeouts x 9) / Innings Pitched Measures how many strikeouts a pitcher averages per 9 innings BB/9 Walks per Nine Innings (Walks x 9) / Innings Pitched Measures control by showing walks allowed per 9 innings HR/9 Home Runs per Nine Innings (Home Runs x 9) / Innings Pitched Indicates how often a pitcher gives up home runs FIP Fielding Independent Pitching Complex formula including strikeouts, walks, hit by pitches, and home runs allowed Measures a pitcher’s effectiveness at preventing HR, BB, HBP, and causing SO WAR Wins Above Replacement Complex calculation considering player’s total contributions Measures a player’s value in wins over a replacement player SV Saves Number of games successfully closed out Measures a relief pitcher’s effectiveness in securing wins HLD Holds Games where a reliever helps maintain a lead Measures the effectiveness of middle relievers ERA+ Adjusted ERA+ (League ERA / Pitcher’s ERA) * 100 Adjusts a pitcher’s ERA according to ballpark and league average
Fielding Stats
Abbrv. Description Calculation Significance FPCT Fielding Percentage (Putouts + Assists) / (Putouts + Assists + Errors) Measures how often a fielder makes a play without an error A Assists Total number of assists by a fielder Measures a player’s defensive support E Errors Total number of errors made Indicates defensive mistakes PO Putouts Total number of putouts by a fielder Measures the number of outs a fielder directly contributes to RF/9 Range Factor per Nine Innings (Putouts + Assists) x 9 / Defensive Innings Played Measures a player’s range and defensive capabilities
Catching Stats
Abbrv. Description Calculation Significance CS% Caught Stealing Percentage (Runners Caught Stealing / (Stolen Base Attempts)) x 100 Measures a catcher’s ability to throw out base stealers PB Passed Balls Total number of passed balls Indicates a catcher’s ability to prevent wild pitches FPCT Fielding Percentage (Putouts + Assists) / (Putouts + Assists + Errors) Measures a catcher’s defensive reliability CERA Catcher’s Earned Run Average Pitcher’s ERA with the catcher behind the plate Indicates the catcher’s influence on pitching effectiveness
These tables provide a broad overview of the key statistics in baseball, offering insights into players’ performance and abilities across batting, pitching, fielding, and catching.
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