AB
At-bats

AVG
Batting average
H divided by AB

R
Runs

H
Hits

RBI
Runs batted in

BB
Bases on balls (a.k.a. Walks)

1B
Singles

2B
Doubles

3B
Triples

HR
Home runs

LOB
Runners left on base

OBP
On-base percentage
(H + BB + HBP) divided by (AB + BB + HBP + SF)

SLG
Slugging percentage
TB divided by AB

OPS
On-base percentage plus slugging percentage

SF
Sacrifice flies