Screwballer

AB/HR - At Bats per Home Run
Measure of how many at bats come between each home run hit by a batter.
At Bats divided by Home Runs

BB/K - Walk to Strikeout Ratio
Measure of how many times a batter walks compared to strikes out.
Base on Balls divided by Strikeouts

OBP - On Base Percentage
Measure of how many times a batter reaches base successfully.
Times batter reached base (H+BB+HBP) divided by (AB+BB+HBP+SF)

OPS - On Base Slugging Percentage
On Base Percentage + Slugging Average

SB% - Stolen Base Percentage
Measure of how successful a runner is at stealing bases.
Stolen Bases divided by total Stolen Base Attempts

SLG - Slugging Percentage
Total Bases divided by At Bats

TB - Total Bases
Measure of how many total bases are reached by a batter based on type of hit.
TB=1B+(2*2B)+(3*3B)+(4*HR)

XBH - Extra Base Hits
Measure of how many times a batter gets a hit the results in a double, triple or home run.
2B+3B+HR