Here's the cheat sheet:
Automated Scorebook FAQHITTING
GP-GS Games played-games started
AB At bats
R Runs
H Hits
2B Doubles
3B Triples
HR Home Runs
RBI Runs Batted In
TB Total Bases
SLG% Slug Percentage
BB Base on Balls (walk)
HBP Hit By Pitch
SO Strike out
GDP Ground into Double Play
OB% On Base percentage
SF Sacrifice Fly
SH Sacrifice Hit
SB-ATT Stolen Base-Attempts
PO Put out
A Assist
E Error
FLD% Fielding Percentage
PITCHING
ERA Earned Run Average
W-L Win-Loss
APP Appearances
GS Games Started
CG Complete Game
SHO/CBO Shutout/Combined Shutout
SV Save
IP Innings Pitched
H Hits
R Runs
ER Earned Runs
BB Base on Balls (walk)
SO Strike out
2B Doubles
3B Triples
HR Home Runs
AB At-bats
B/Avg Batting Average against
WP Wild Pitch
HPB Hit by Pitch
BK Balk
SFA Sacrifice Fly Allowed
SHA Sacrifice Hit Allowed
FIELDING
C Chances
PO Put Out
A Assist
E Error
FLD% Fielding Percentage
DP Double Plays turned
SBA Stolen Base Against
CSB Caught Stealing By
SBA% Stolen Base Against Percentage
PB Passed Ball
CI Catcher's Interference