GLOSSARY
STANDARD STATS
DEFENSE
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)
- Rate Stats Qualifiers
- 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)
- Rate Stats Qualifiers
- 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
ADVANCED STATS
DEFENSE
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
STATCAST
DEFENSE
OFFENSE
- 90-foot Running Splits
- Attack Angle
- Attack Direction
- Barrel
- Baserunning
- Batted Ball Event (BBE)
- Batting Stance
- Blasts
- Bolt
- Exit Velocity (EV)
- Expected Batting Average (xBA)
- Expected Slugging Percentage (xSLG)
- Expected Weighted On-base Average (xwOBA)
- Fast-swing Rate
- Hard-hit Rate
- Hit Distance (DST)
- Home To First
- Ideal Attack Angle
- Intercept Point
- Launch Angle (LA)
- Lead Distance (LEAD)
- Projected Home Run Distance (HR-DIS)
- Sprint Speed (SS)
- Squared-up Rate
- Sweet Spot
- Swing Length
- Swing Path (Tilt)
PITCHING
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
RULES
- Ambidextrous Pitchers
- Appeal Plays
- Balk
- Base Sizes (2023 rule change)
- Batter's Box
- Batting Out of Turn
- Catcher Interference
- Coach Interference
- Collisions at Home Plate
- Dead Ball
- Defensive Shift Limits (2023 rule change)
- 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
- Pitch Timer (2023 rule change)
- 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