To find a particular statistic, use Ctr-F and type in the abbreviation or stat name that you are looking for.
Offense:
OBP – On-Base Percentage
OPS – On-base Plus Slugging
OPS+ - On-base Plus Slugging Plus
wOBA – Weighted On-Base Average
wRAA – Weighted Runs Above Average
UBR – Ultimate Base Running
wRC – Weighted Runs Created
wRC+ – Weighted Runs Created Plus
BABIP – Batting Average on Ball In Play
ISO – Isolated Power
HR/FB – Home Runs per Fly Ball rate
Spd – Speed Score
GB% – Ground ball percentage
FB% – Fly ball percentage
LD% – Line drive percentate
K% – Stikeout rate
BB% – Walk rate
O-Swing% - Outside-the-zone swing rate
Z-Swing% - Inside-the-zone swing rate
Swing% - Swing rate
O-Contact% - Outside-the-zone contact percentage
Z-Contact% - Inside-the-zone contact percentage
Contact% - Contact percentage
Zone% - Percentage of pitches within the zone
F-Strike% - First-pitch strike percentage
SwStr% – Swinging Stike percentage
wFB - Fastball runs above average
wSL - Slider runs above average
wCT - Cutter runs above average
wCB - Curveball runs above average
wCH - Change-up runs above average
wSF - Split-finger fastball runs above average
wKN - Knuckleball runs above average
wFB/C - Fastball runs above average per 100 pitches
wSL/C- Slider runs above average per 100 pitches
wCT/C - Cutter runs above average per 100 pitches
wCB/C - Curveball runs above average per 100 pitches
wCH/C - Change-up runs above average per 100 pitches
wSF/C - Slit-fingered fastball runs above average per 100 pitches
wKN/C - Knuckleball runs above average per 100 pitches
Defense:
rSB - Stolen Base Runs Saved runs above average
rGDP - Double Play Runs Saved runs above average
rARM - Outfield Arms Runs Saved runs above average
rGFP - Good Fielding Plays Runs Saved runs above average
rPM - Plus/Minus Runs Saved runs above average
DRS - Defensive Runs Saved runs above average
BIZ - Balls In Zone
OOZ - Balls Out Of Zone
RZR - Revised Zone Rating
CPP - Expected Catcher Passed Pitches
RPP - Catcher Blocked Pitches in runs above average
TZ - Total Zone
TZL - Total Zone with Location data
FSR – Fan Scouting Report
ARM - Outfield Arm runs above average
DPR - Double Play runs above average
RngR - Range runs above average
ErrR - Error runs above average
UZR - Ultimate Zone Rating
UZR/150 - Ultimate Zone Rating per 150 defensive games
Pitching:
ERA – Earned Run Average
WHIP – Walks and Hits per Innings Pitched
FIP – Fielding Independent Pitching
xFIP – Expected Fielding Independent Pitching
SIERA – Skill-Interactive ERA
tERA – True Runs Allowed
K/9 – Strikeout rate
BB/9 – Walk rate
K% – Strikeout percentage
BB% – Walk percentage
K/BB – Strikeout-to-Walk ratio
LD% - Line drive rate
GB% - Ground ball rate
FB% - Fly ball rate
HR/FB – Home runs per fly ball rate
BABIP – Batting Average on Balls In Play
LOB% – Left On Base percentage
ERA- - ERA Minus
FIP- FIP Minus
xFIP- - xFIP Minus
SD – Shutdowns
MD – Meltdowns
O-Swing% - Outside-the-zone swing rate
Z-Swing% - Inside-the-zone swing rate
Swing% - Swing rate
O-Contact% - Outside-the-zone contact percentage
Z-Contact% - Inside-the-zone contact percentage
Contact% - Contact percentage
Zone% - Percentage of pitches within the zone
F-Strike% - First-pitch strike percentage
SwStr% - Swinging Stike percentage
wFB - Fastball runs above average
wSL - Slider runs above average
wCT - Cutter runs above average
wCB - Curveball runs above average
wCH - Change-up runs above average
wSF - Split-finger fastball runs above average
wKN - Knuckleball runs above average
wFB/C - Fastball runs above average per 100 pitches
wSL/C- Slider runs above average per 100 pitches
wCT/C - Cutter runs above average per 100 pitches
wCB/C - Curveball runs above average per 100 pitches
wCH/C - Change-up runs above average per 100 pitches
wSF/C - Slit-fingered fastball runs above average per 100 pitches
wKN/C - Knuckleball runs above average per 100 pitches
Win Probability:
WPA - Win Probability Added
-WPA - Loss Advancement
+WPA - Win Advancement
RE24 - Run Above Average based on the 24 Base/Out States
REW - Wins Above Average based on the 24 Base/Out States
pLI - A player’s average LI for all game events
phLI - A batter’s average LI in only pinch hit events
PH – Pinch Hit Opportunities
gmLI - A pitcher’s average LI when he enters the game
inLI - A pitcher’s average LI at the start of each inning
exLI - A pitcher’s average LI when exiting the game
WPA/LI – Situational Wins
Clutch - How much better or worse a player does in high leverage situations than he would have done in a context neutral environment
WAR
Offensive
Batting - Park Adjusted Runs Above Average based on wOBA
Base Running - Base running runs above average, includes SB or CS
Fielding - Fielding Runs Above Average based on UZR (TZ before 2002)
Replacement - Replacement Runs set at 20 runs per 600 plate apperances
Positional - Positional Adjustment set at +12.5 for C, +7.5 for SS, +2.5 for 2B/3B/CF, -7.5 for RF/LF, -12.5 for 1B, -17.5 for DH
Fld + Pos
RAR - Runs Above Replacement (Batting + Fielding + Base Running + Replacement + Positional)
WAR - Wins Above Replacement
Pitching
RA9-Wins - Wins Above Replacement calculated using Runs Allowed
BIP-Wins - BABIP wins above average
LOB-Wins - Sequencing in wins above average (calculated as the difference between RA9-Wins and WAR minus BIP-Wins)
FDP-Wins - BABIP and Sequencing wins above average, also the difference between RA9-Wins and WAR
RAR - Runs Above Replacement
WAR - Wins Above Replacement