Definitions of Baseball Terms
Hitting Statistics
The following fields, which appear in the same order here as they do on the biographical pages, are seen & used in the hitting statistics section. More information about many of the official statistics can be found in therule book section of this site. Fields that contain a dash (-) are displayed in that manner because the stat has not been documented in any source.
The following fields, which appear in the same order here as they do on the biographical pages, are seen & used in the fielding statistics section. More information about many of the official statistics can be found in the rule book section of this site. Fields that contain a dash (-) are displayed in that manner because the stat has not been documented in any source.
The following fields, which appear in the same order here as they do on the biographical pages, are seen & used in the miscellaneous statistics section. More information about many of the official statistics can be found in the rule book section of this site. Fields that contain a dash (-) are displayed in that manner because the stat has not been documented in any source.
Baserunning Statistics
The following fields, which appear in the same order here as they do on the biographical pages, are seen & used in the hitting statistics section. More information about many of the official statistics can be found in therule book section of this site. Fields that contain a dash (-) are displayed in that manner because the stat has not been documented in any source.
- Year: The year of the stats. The year is a link that goes to league's Year in Review page.
Team: The name of the team. The Team link goes to a comprehensive team roster.
G: Games. Tells how many games the player actually took the field in or appeared at the plate. IMPORTANT NOTE: If the data in the G column is a dark maroon link, click it and up will appear comprehensive hitting logs that show every game the player appeared in and links to those boxscores.
AB: At-bats. Count of times in the batters box, but excludes walks, sacrifices, catcher interference, or being hit by the pitcher.
R: Runs Scored. The number of times the batter scored a run.
H: Hits. A safely hit ball that that allowed him to reach base safely.
2B: Doubles. A hit (H) that allowed the batter to reach second base safely.
3B: Triples. A hit (H) that allowed the batter to reach third base safely.
HR: Home Runs. A hit (H) that allowed the batter to circle all the bases safely.
GS: Grand Slams. A hit (H) that allowed the batter to circle all the bases (which were loaded with baserunners) safely.
RBI: Runs Batted In. Earned by a batter when a runner scores due to a base hit, a sacrifice, being hit by a pitch, during an infield out (but not during a double play), or a fielder's choice.
BB: Base on Balls. Stat awarded when a batter is awarded first base by the umpire for pitches called a ball by the umpire.
IBB: Intentional Base on Balls. Counts the number of times a walk was issued with no intent of ever allowing a hit.
SO: Strikeouts. Number of times called out on strikes by the umpire.
SH: Sacrifice Hits. A ball hit that advanced the baserunner at the cost of being put out.
SF: Sacrifice Fly. A sacrifice hit (SH) done with less than two outs, fair or foul, that allows one or more baserunners to tag up and score.
HBP: Hit by Pitch(er). Total number of being struck by the pitcher whether or not it was intentional.
GIDP: Ground Into Double Play. The number of times a ball hit by the batter started a double play (two outs).
AVG: Batting Average. The player's total number of hits (H) divided by their total number of at-bats (AB).
OBP: On Base Percentage. Determines what percentage of a player's plate appearances resulted in him reaching base safely. Calculated by adding hits (H) & base on balls (BB) & hit by pitch (HBP) then dividing that by the player's at-bats (AB) & base on balls (BB) & sacrifice fly (SF) and hit by pitch (HBP).
SLG: Slugging Percentage. An offensive ability type stat calculated by taking the total bases [singles + 2 x doubles (2B) + 3 x triples (3B) + 4 x home runs (HR)] reached then dividing it by the number of at-bats (AB).
The following fields, which appear in the same order here as they do on the biographical pages, are seen & used in the fielding statistics section. More information about many of the official statistics can be found in the rule book section of this site. Fields that contain a dash (-) are displayed in that manner because the stat has not been documented in any source.
- Team: The year and name of the team. Links go to a team fielding statistics tool (Statmaster).
POS: Position. The position assumed by the player while in the field.
G: Games. The number of games played in the position (POS) listed.
GS: Games Started. A new stat that began in 2000 which shows the number of games the player started in at the position listed versus entering after the opening pitch or later in the game. Data is available for pitchers back through 1876, but position players are limited to 2000-today.
OUTS: Outs. A new stat that began in 2000 which is a precise number of outs seen by the player while in the field at the position. Taken and divided by three will produce the number of innings played at the position as well. Data is available for pitchers back through 1876, but position players are limited to 2000-today.
TC: Total Chances. The number of putouts (PO) plus assists (A) plus errors (E) committed by the fielder.
TC/G: Total Chances Per Game. The average number of putouts (PO) plus assists (A) plus errors (E) committed by the fielder during a game.
CH: Chances. The number of putouts (PO) plus assists (A) committed by the fielder.
PO: Putouts. The number of putouts during a game.
A: Assists. The number of assists recorded during an out.
E: Errors. The number of errors committed by the fielding at his position.
DP: Double Plays. A fielder's total number of double plays which they participated in.
PB: Passed Balls. A catcher specific stat which lists the total number of balls scored as passed balls against him.
CASB: Catcher's Stolen Bases. A catcher specific stat which lists the total number of successful steals against him.
CACS: Catcher's Caught Stealing. A catcher specific stat which lists the total number of baserunners he caught stealing.
FLD%: Fielding Percentage. A measure of a fielder's ability calculated by adding assists (A) and putouts (PO) then dividing it by the number of assists (A) plus putouts (PO) plus errors (E).
RF: Range Factor. A Stats Inc. measure of a player's range in the field calculated by adding assists (A) and putouts (PO) then dividing it by the number of Inning Outs (INNOUTS) x 9.
ZR: Zone Rating. A new stat that began in 2000 by Stats Inc. which measures a player's skill in his fielding zone.
The following fields, which appear in the same order here as they do on the biographical pages, are seen & used in the miscellaneous statistics section. More information about many of the official statistics can be found in the rule book section of this site. Fields that contain a dash (-) are displayed in that manner because the stat has not been documented in any source.
Baserunning Statistics
- Team: The year and name of the team. Links go to a team statistics tool (Statmaster).
SB: Stolen Bases. The number of bases successfully stolen by a baserunner.
CS: Caught Stealing. The number of times a baserunner was caught attempting to steal a base.
SB%: Stolen Base Percentage. The measure of how successful a base stealer is calculated by taking the stolen bases (SB) and dividing it by the number of stolen base attempts - stolen bases (SB) plus caught stealing (CS).
- PH: Number of games the player appeared in as a pinch hitter.
PR: Number of games the player appeared in as a pinch runner.
DH: Number of games the player appeared in as a designated hitter.
- AB/HR: At-Bats per Home Runs. A power ratio calculated by dividing the number of at-bats by home runs hits.
AB/K: At-Bats per Strikeouts. A success at the plate ratio calculated by dividing the number of at-bats by strikeouts.
AB/RBI: At-Bats per Runs Batted In. A scoring runs ratio that determines the number of runs batted in based on a players total at-bats.
- K/BB: Strikeouts to Base on Balls Ratio. Strikeouts divided by base on balls (BB) / walks given-up.
K/9: Strikeouts per 9-Innings Pitched. The number of strikeouts averaged during every nine innings of work.
BB/9: Base on Balls per 9-Innings Pitched. The number of base on balls (BB) averaged during every nine innings of work.
