Rules
Baseball is an intricate game with plenty of unique characteristics, and Major League Baseball has many rules, regulations and standards governing its on-field practices.
Players must adhere to these rules or else face on-field penalties imposed by the umpires and, occasionally, off-field disciplinary measures.
A complete printable version of the 2019 Official Rules in Adobe Acrobat format can be found here.
In this section, you will find explanations of Major League Baseball's rules.
The following are all of the terms defined within this section:
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
- 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
- Slide Rule
- Spectator Interference
- Set Position
- Strike Zone
- Substitutions
- Suspended Game
- Three-batter Minimum
- Two-way Players
- Umpire
- Warmup Pitches
- Windup Position