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Learn the rules, regulations and standards of Major League Baseball, the highest level of professional baseball in the United States. Find explanations of terms, definitions, examples and links to the 2023 Official Rules in PDF format.
- Strike Zone
The Official Site of Major League Baseball. Strike Zone...
- Collisions at Home Plate
The Official Site of Major League Baseball. Collisions at...
- Infield Fly
The Official Site of Major League Baseball. Infield Fly...
- Windup Position
The Official Site of Major League Baseball. Windup Position...
- Foul Tip
Foul Tip Definition. A foul tip is a batted ball that goes...
- Ambidextrous Pitchers
The Official Site of Major League Baseball. Ambidextrous...
- Strike Zone
official baseball rules Recodified, amended and adopted by the Professional Baseball Playing Rules Committee at New York, N.Y., December 21, 1949; amended at New
Learn about the rules that govern Major League Baseball and its minor leagues, beyond the field of play. The rules cover topics such as player contracts, drafts, waivers, post-season, finances, and more.
Most rule sets are generally based on the Official Baseball Rules (OBR) published by Major League Baseball (MLB), though various minor variations exist from league to league; the World Baseball Softball Confederation maintains its own official rule set for international competition.
Learn about the rules of baseball games by professional teams and leagues, as set forth by the MLB. The rules cover equipment, field layout, game play, and player behavior.
Walk and Hits Per Inning Pitched (WHIP) Competitive Balance Tax. Win (W) On-base percentage (OBP) On-base plus slugging plus (OPS+) • More rules terms• Complete rules. OFFICIAL INFORMATION. Official Info. About MLB.
Find the official rule book of Major League Baseball, historical rule changes, quotes, and more on Baseball Almanac. Learn the definitions, objectives, and divisions of the game, as well as the roles of the players and umpires.
