Baseball is one of the few sports, where regular stoppage in play has permitted a wealth of stats to be collected. Stats over the course of 20 games will start to provide a picture of a players strength and weaknesses. The more games, the better. Less than 20 games will only provide a certain level of insight and with a limited data base to collect from, full game sheets are required to fully analyze the numbers (ie was it great hitting or poor pitching?). For use with these stats, Game Sheets are linked from the players individual stats page if additional information is required. 

Note: Where stats are shown in date order a "+" sign in the title indicates accumulative numbers (trend) 

1. Offensive/Defensive Stat Definitions  

2. Pitching Stat Definitions

 
OFFENSIVE AND DEFENSIVE  STAT DEFINITIONS
Symbol Stat Definitions - Symbols are shown in Red
G Number of Games played in  
PA Plate Appearances Number of Times a Batter goes up to the plate. If the third out occurs to a runner on base while batter is still at the plate, then that does not count as a plate appearance against that batter.
AVG Batting Average Formula = H / AB
RISP% Batting Average with Runners In Scoring Position Formula = AVG but only counting AB's when runners on 2nd or 3rd base. (it is assumed runners will normally score on a single hit from 2nd base)
SLG% Slugging Percentage Formula = TB / AB
OB% On Base Percentage Formula = (H + BB + HB) / (AB + BB + HB + SF)
RC Runs Created is a measure of offensive power Formula = (H + BB) X TB / (AB + BB)
R Runs Runs scored by batter (where they cross the plate themselves). Unless a Home Run, this stat is dependant upon the batters following in the lineup
AB AtBats - used to calculate Batting Average Counts every PA where the batter is NOT:
a) walked, or b) hit by a pitch, or c) sacrified (bunt or fly).
H Hits There are 3 ways to get on base when the batter puts the ball into play - Hit, Fielders Choice or Error
2B Number of Doubles A 2 base hit. With runners on base, the scorer must judge whether the hit is a single or double, since the batter may hit a single but then advance to 2nd base only because the outfield throws to another base to get another runner out.
3B Number of Triples A 3 base hit. With runners on base, the scorer must judge whether the hit is a double or triple, since the batter may hit a double then advances to 3rd base only because the outfield throws to another base to get another runner out.
HR Number of Home Runs What Barry Bonds hits a lot of.
TB Total Bases The total number of bases advanced by the batter on hits by totaling all the bases reached. Singles count as 1's, Doubles as 2's etc
RBI Number of Runs Batted In RBI's are counted when a batter, no matter how ( i.e. bases loaded walk) drives the runner home. Exception 1: Runner scores solely because of a defensive error, ie he would not have scored had the error not have happened.  Exception 2: Batter grounds into a Double Play, where a runner is driven home on play - no RBI.  Note: This stat is dependant upon the lineup ahead of the batter - ie whether they are on base to drive home or not. So a number 4 batter in the lineup should have more RBI's than the number 9 batter if the Onbase % of the first 3 batters is higher than the number 6 to 8 batters in the order.
2OutRBI Number of Runs Batted In with 2 out The pressure is on with 2 outs - the batter not only brings runners in, but must get on base safely to keep inning going.
RA Runners Advanced Formula = Total number of bases that all runners were advanced by batter.
SH Sacrifice Hit (Bunt) The batter must advance a runner to at least the next base, with the batter being out. The scorer must judge if the batter was trying to advance the runner (sacrifice) or actually try to reach base for a hit, in which case it is not a sacrifice.
SF Sacrifice Flys The hit must be deep enough to bring a runner home after tagging up. If the ball is dropped, and in the scorers judgement it would have been a sac fly if caught, charge an error to the defense and award a sac fly to batter (not a reach base on error)
BB Base on Balls (Walk) Four Balls
HB Hit Batsmen Batter is hit by pitch
K Total Number of Strikeouts 3 strikes and you are out. Includes both Strikeouts swinging and called. If batter strikes out but advances to first base (unoccupied) on a wild pitch or passed ball, award a strikeout. If thrown out at first base award a strikeout, an Out to the first baseman and an Assist to the catcher. - Baseball History - Why is "K" used for a strikeout? In 1861, Henry Chadwick invented a scoring system which used a series of letter symbols. He selected "K" for "struck out". He explained that "K" was the prominent letter in the word "strike" and it would be easy to remember. Stories have circulated that M.J. Kelly of the New York Herald was the first to use "K" for a strikeout and that it was because it was his last initial. Actually, Mr. Chadwick was the first baseball editor for the New York Herald and Kelly learned it from him.*
Kc Strikeouts Called
or % of Total Strikeouts Called		 Strikeouts that were called by umpire (i.e. no swing)  Advice: Strikeout - Looking at ball - is the cardinal sin for a batter - always protect anything close on 3rd strike. 
GDP Ground Into Double Play If a runner scores on this play, do not credit an RBI to the batter.
GO Ground Out Advice: Better than a flyout
LO Line Out Advice: Wow - that’s precision Hitting!
FLYO Fly Out Advice: How about a line drive next time
FOULO Foul Out Advice: If you are going to hit it foul, hit it on the ground or into the parking lot.
FC Fielders Choice Batter would have been thrown out, but fielders chose to try for a different out with a base runner. If no attempt is made on a stolen base - there is no steal.
FLD% Fielding Percentage Formula = Total errors ( fielding plus throwing) divided by the Total Chances
DP Double Play On a 6-4-3 double play award the the shortstop (position 6) an Assist, the 2B (position 4) with an Assist plus a Putout, and the 1B (position 3) with a Putout.
PO Number of Put Outs When a fielder a) tags a runner, b) when they catch the ball while touching a base before a fielder (who must advance ie a "force- out") arrives at the base, or c) when they catch a batted ball before it hits the ground. 
A Number of Assists When a good throw from the catcher in time to put out runner stealing is followed with an error by the fielder resulting in the runner being safe, credit the catcher with an Assist, runner advances on an error to the fielder. Credit the catcher an assist when he drops a third strike but throws the batter out at first base.
TC Total Chances (at an Assist or Putout) Formula = Assist plus Putouts plus All Errors
THW% Throwing Percentage Formula = Assists divided by Assists plus Throwing Errors
E Number of Errors When the fielder does not make a play during the "normal" course of action an error is charged. Running full speed or diving while making a play on the ball is NOT considered a normal course of action. Slow mechanics (ie slow throw), or mental mistakes (can't see the ball) are not normally charged as errors.
Ef Number of Fielding Errors These are errors made in "catching" the ball.
Et Number of Throwing Errors These are errors made in "throwing" the ball.
PB% Passed Ball Percentage Formula = Number of Passed Balls divided by the Number of Pitches Received
PCHR Number of Pitches Received by Catcher  
PB Number of Passed Balls If the pitch is out of the normal range of the catcher or hits the ground in front of the plate, charge a wild pitch
THO Number of Throws Made to stop a steal  
STLON Number of Times Stolen On (as a catcher)  
SoloHR Home Run with none on base  
2RunHR Home Run with 1 runner on base  
3RunHR Home run with 2 runners on base  
Slams Grand Slams - bases were loaded What everyone dreams of doing.
NoOutAvg Batting Average with No Outs  
1OutAvg Batting Average with 1 Out  
2OutAvg Batting Average with 2 Outs  
NoOutH No Out Hits  
1OutH 1 Out Hits  
2OutH 2 Out Hits Clutch Hitting!
RISPAB Number of AtBats with Runners in Scoring Position Used to Calculate RISP%
RISPH Runners In Scoring Position Hits Hits with Runners at 2nd or 3rd base used to Calculate RISP%
RISP Number of runners in Scoring Position Number of Runners which could have been driven in
SB% Stolen Base Percentage Formula = Number of Stolen bases divided by the number of caught stealing plus number of stolen bases
SB Number of Stolen Bases A stolen base is not credited on a passed ball, wild pitch unless in the scorers judgement they would have stolen the base even with a throw. A stolen base is not credited on a fielders choice (runner steals 2nd, but team ignores because a runner is already on 3rd base). Double steals require both runners to be safe or no steal is awarded to either player.
STL2 Number of Times Steal Second Base  
STL3 Number of Times Steal 3rd Base  
STLH Number of Times Steal Home  
CS Number of Caught Stealings  
CS2 Number of times Caught Stealing 2nd Base  
CS3 Number of times Caught Stealing 3rd Base  
CSH Number of times Caught Stealing Home  
PKO Number of Times Runner is PicKed Off base  
PKOF1 Number of Times Picked Off 1st Base  
PKOF2 Number of Times Picked Off 2nd Base  
PKOF3 Number of Times Picked Off 3rd Base  
ERRCH Reach Base on an Error  

 

PITCHING STAT DEFINTIONS
G Number of Games Pitched In
IP Number of Innings Pitched
ERA Earned Runs Average Earned Runs per game. That is either per 7 or 9 innings pitched
ER Number of Earned Runs Earned Runs exclude those resulting from other than pitching, ie Errors (defensive errors to the pitcher are treated as unearned), Passed Balls, etc
R Number of Runs
FPS% Number of First Pitch Strikes This should be above .700 to be an effective pitcher.
KW% Strkes(K) to Walk Percentage A ratio of 4:1 is Major League - the higher the better
OPPAVG Opposition Batting Average Batting average as calculated against a pitcher
K% Stikeout Percentage Strikeouts divided by Total Batters Faced. Over .300 is excellent.
K Number of Strikeouts
Kc Number of Strikeouts Called (Looking) The higher the better to show how well a pitcher fools the batter by mixing speeds and placing his third pitch strike. Ratios of Kc to K's above 1:3 is excellent
BB Number of Base on Balls (Walks)
HB Number of Hit Batsmen
BK Number of Balks With no men on base, a balk (deception) of the batter counts as a "ball" added to the count
SB% Stolen Base Percentage Number of Stolen Bases divided by the Number of Attempts
SB Number of Stolen Bases
SBA Number of Stolen Base Attempts
H Number of Hits
2B Number of Doubles
3B Number of Triples
HR Number of Home Runs
SH Number of Sacrifice Hits (Bunts + Flys)
SF Number of Sacrifice Flys
WP Number of Wild Pitches
S Number of Strikes Thrown
B Number of Balls Thrown
AP Number of times Ahead in Count Ahead in the count is very important to be an effective pitcher. Even or Ahead are in the pitchers favor: ie 1-1, 0-1, 2-2, 0-1,0-1,) Behind in the count is where the balls exceed the strikes in the count. This puts the batter in a favorable position - ie looking for a strike = a good ball to hit)
EP Number of Times Even in Count see above
BP Number of Times Behind in Count see above
TBF Total Number of Batters Faced
TAB Total Number of Atbats
W-L Number of Wins - Losses Record of a pitcher, where he is awarded the Win or Loss - typically the pitchers who are pitching when the winning team takes over the lead.
GS Number of Games Started
GF Number of Games Finished
SVO Number of Save Opportunities Save Opportunities are when a relief pitcher takes over pitching with their team having 3 runs or less lead in the score and finishes the game.
SV Number of Saves A Save is a Save Opportunity where the relief pitcher successfully maintains the lead to the end.
GO Number of Groundouts
FLYO Number of Flyouts
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