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ES
GLOSSARY
STANDARD STATS
DEFENSE
Assist (A)
Caught Stealing Percentage (CS%)
Double Play (DP)
Error (E)
Fielding Percentage (FPCT)
Innings Played (INN)
Out (O)
Outfield Assist (OFA)
Passed Ball (PB)
Putout (PO)
Total Chances (TC)
Triple Play (TP)
OFFENSE
At-bat (AB)
Batting Average (AVG)
Caught Stealing (CS)
Double (2B)
Extra-base Hit (XBH)
Games Played (G)
Grand Slam (GSH)
Ground Into Double Play (GIDP)
Groundout-to-Airout Ratio (GO/AO)
Hit-by-pitch (HBP)
Hit (H)
Home Run (HR)
Intentional Walk (IBB)
Left On Base (LOB)
On-base Percentage (OBP)
On-base Plus Slugging (OPS)
Plate Appearance (PA)
Reached On Error (ROE)
Run (R)
Runs Batted In (RBI)
Sacrifice Bunt (SH)
Sacrifice Fly (SF)
Single (1B)
Slugging Percentage (SLG)
Stolen Base (SB)
Stolen-base Percentage (SB%)
Total Bases (TB)
Triple (3B)
Walk (BB)
Walk-off (WO)
PITCHING
Appearance (App)
Balk (BK)
Batters Faced (BF)
Blown Save (BS)
Complete Game (CG)
Earned Run (ER)
Earned Run Average (ERA)
Flyout
Games Finished (GF)
Games Started (GS)
Groundout
Hold (HLD)
Inherited Runner (IR)
Innings Pitched (IP)
Loss (L)
Number of Pitches (NP)
Pickoff (PK)
Quality Start (QS)
Relief Win (RW)
Save (SV)
Save Opportunity (SVO)
Save Percentage (SV%)
Shutout (SHO)
Strikeout (SO, K)
Unearned Run (UER)
Walks And Hits Per Inning Pitched (WHIP)
Wild Pitch (WP)
Win (W)
Winning Percentage (WPCT)
TEAM
Run Differential
ADVANCED STATS
DEFENSE
Defensive Efficiency Ratio (DER)
Defensive Runs Saved (DRS)
Range Factor (RF)
Ultimate Zone Rating (UZR)
OFFENSE
Batting Average on Balls in Play (BABIP)
Isolated Power (ISO)
Late-inning Pressure Situation (LIPS)
On-base Plus Slugging Plus (OPS+)
Pitches Per Plate Appearance (P/PA)
Plate Appearances Per Strikeout (PA/SO)
Runs Created (RC)
Weighted Runs Above Average (wRAA)
Weighted On-base Average (wOBA)
Weighted Runs Created Plus (wRC+)
Win Probability Added (WPA)
Wins Above Replacement (WAR)
PITCHING
Adjusted Earned Run Average (ERA+)
Baserunners Per Nine Innings Pitched (MB/9)
Bequeathed Runners (BQR)
Bequeathed Runners Scored (BQR-S)
Expected Fielding Independent Pitching (xFIP)
Fielding Independent Pitching (FIP)
Fly-ball Rate (FB%)
Game Score
Ground-ball Rate (GB%)
Hits Per Nine Innings (H/9)
Home Runs Per Nine Innings (HR/9)
Home Run To Fly Ball Rate (HR/FB)
Inherited Runs Allowed (IR-A)
Inherited Runs Allowed Percentage (IR-A%)
Innings Per Start (I/GS)
Leverage Index (LI)
Line-drive Rate (LD%)
Pitches Per Inning Pitched (P/IP)
Pitches Per Start (P/GS)
Pop-up Rate (PO%)
Run Support Per Nine Innings (RS/9)
Runs Allowed Per Nine Innings Pitched (RA9)
Skill-interactive Earned Run Average (SIERA)
Strikeout Rate (K%)
Strikeouts Per Nine Innings (K/9)
Strikeout-to-walk Ratio (K/BB)
True Earned Run Average (tERA)
Walks Per Nine Innings (BB/9)
Walk Rate (BB%)
TEAM
Ballpark Factor
Magic Number (MN)
Pythagorean Winning Percentage
Win Expectancy (WE)
STATCAST
DEFENSE
Arm Strength (ARM)
Catch Probability
Distance Covered (DCOV)
Jump
Outs Above Average (OAA)
Pop Time (POP)
Shifts
OFFENSE
90-foot Running Splits
Barrel
Batted Ball Event (BBE)
Bolt
Exit Velocity (EV)
Expected Batting Average (xBA)
Expected Slugging Percentage (xSLG)
Expected Weighted On-base Average (xwOBA)
Hard-hit Rate
Hit Distance (DST)
Home To First
Launch Angle (LA)
Lead Distance (LEAD)
Projected Home Run Distance (HR-DIS)
Sprint Speed (SS)
Sweet Spot
PITCHING
Active Spin
Expected ERA (xERA)
Extension (EXT)
Catcher Framing
Perceived Velocity (PV)
Pitch Movement
Putaway Percentage
Spin Rate (SR)
Velocity (VELO)
TRANSACTIONS
10-and-5 Rights
26-man Roster
27th Man
40-man Roster
Club Option
Competitive Balance Draft Picks
Competitive Balance Tax
Contract Renewal
Contract Tendered
Designate for Assignment (DFA)
Free Agency
Guaranteed Contract
Incentive Clause
International Amateur Free Agency & Bonus Pool Money
International Free Agency -- Asia (Professional)
International Free Agency -- Cuba (Professional)
Japanese Posting System
Korean Posting System
Minor League Options
Mutual Option
Non-guaranteed Contract
Non-roster Invite (NRI)
Non-tendered
No-trade Clause
Outright Waivers
Player Option
Player to Be Named Later (PTBNL)
Postseason Roster Rules & Eligibility
Qualifying Offer
Release Waivers
Retention Bonus (Article XX(B) Free Agents)
Rule 4 Draft
Rule 5 Draft
Salary Arbitration
Service Time
Split Contract
Super Two
Trade Deadline
Trade Waivers & Aug. 31 'Deadline'
Vesting Option
PITCH TYPES
Changeup (CH)
Curveball (CU)
Cutter (FC)
Eephus (EP)
Forkball (FO)
Four-Seam Fastball (FA)
Knuckleball (KN)
Knuckle-curve (KC)
Screwball (SC)
Sinker (SI)
Slider (SL)
Splitter (FS)
Two-Seam Fastball (FT)
PROJECTION SYSTEMS
Marcel the Monkey Forecasting System (Marcel)
Oliver
Player Empirical Comparison and Optimization Test Algorithm (PECOTA)
Steamer
sZymborski Projection System (ZiPS)
POSITIONS
Baserunner
Batter
Bench Coach
Bullpen Coach
Catcher
Center Fielder
Closer
Designated Hitter
First-base Coach
First Baseman
General Manager
Hitting Coach
Left Fielder
Manager
Pitching Coach
Relief Pitcher
Right Fielder
Second Baseman
Shortstop
Starting Pitcher
Third-base Coach
Third Baseman
RULES
Ambidextrous Pitchers
Appeal Plays
Balk
Batter's Box
Batting Out of Turn
Catcher Interference
Coach Interference
Collisions at Home Plate
Dead Ball
Designated Hitter Rule
Designated Runner
Doctoring the Baseball
Fair Ball
Field Dimensions
Fielder Right of Way
Force Play
Foul Ball
Foul Tip
Ground Rules
Infield Fly
Manager Challenge
Mound Visit
Neighborhood Play
Obstruction
Official Scorer
Ordinary Effort
Pace of Play
Protested Game
Regulation Game
Replay Review
Rookie Eligibility
Set Position
Slide Rule
Spectator Interference
Strike Zone
Substitutions
Suspended Game
Three-batter Minimum
Two-way Players
Umpire
Warmup Pitches
Windup Position
INJURIES
7-day Injured List
10-day Injured List
15-day Injured List
60-day Injured List
Bone Bruise
Bursitis/Shoulder Bursitis
Forearm Flexor Tendinitis
Hamstring Strain
Intercostal Strain
Lat Strain
Lisfranc Injury
Plantar Fasciitis
Oblique Strain
Thoracic Outlet Syndrome
Tommy John Surgery
IDIOMS
Ace
Around-the-horn
Baltimore Chop
Bush League
Butcher Boy
Can of Corn
Cellar
Chin Music
K
Maddux
Mendoza Line
Opener
Painting the Black
Pickle
Seeing-eye Single
Southpaw
Texas Leaguer
Tools of Ignorance
TOOTBLAN
The Hot Stove
Three True Outcomes
Walk-off
MISCELLANEOUS
All-Star Ballot
Baseball Age (Seasonal Age)
Cape Cod Baseball League
JAWS
Major League Baseball Logo
MLB Draft League
Partner Leagues
Postseason Share
Scorekeeping
Scouting Grades
Slash Line
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