Batting Average (AVG): Divide the number of base hits by the total number of at bats. |
If Tony Gwynn has 600 at bats and has 206 hits. His batting average would be .343 (206/600) |
Earned Run Average (ERA): Multiply the total number of earned runs by nine, and divide the results by the total innings pitched. |
Randy Johnson has allowed 67 runs in 220 innings. Multiply 67 by 9: 67x9=603. Divide 603 by 220 (his innings pitched): 603/220=2.74 -- which is his ERA |
W-L percentage: Divide the number of games won by the total number of decisions. |
Pedro Martinez has a 16-3 record, Divide his win total(16) by his total number of decisions: (19):16/19=0.842 |
Slugging Percentage (SLG): Divide the total number of bases of all base hits by the total number of times at bat |
Sammy Sosa has 282 total bases and 440 at-bats. Divide 282 by 440 to get his slugging percentage: 282/440=.641 |
On-Base Percentage (OBP): Divide the total number of hits plus Bases on Balls plus hits by Pitch BY at Bats plus Bases on Balls plus hit by Pitch plus Sacrifice Flies |
In Derek Jeter's 434 at-bats, he has 152 hits, 59 walks, has been hit by 9 pitches, and he's hit 6 sacrifice flies. So here's the formula to determine his OBP: (152+59+9)/(434+59+9+6)=220/508=.433 |
Fielding Average: Divide the total number of putouts and assists by the total number of putouts, assists and errors. |
Edgardo Alfonzo has 218 putouts and 290 assists, while committing only 2 errors. So his fielding percentage is: (218+290)/(218+290+2)=508/510=.996 |
Magic Numbers: Determine the number of games yet to be played, add one, then subtract the number of games ahead in the loss column of the standings from the closest opponent. |
Texas is 7 games ahead, with 50 games remaining. So here's Texas' magic number: Games remaining (50)+1=51. 51-7=44. The Rangers' magic number to clinch is 44. |