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Obstruction
Obstruction occurs when a fielder, without possession of the ball and not in the act of fielding it, impedes the progress of a runner...
Read Full Explanation →Offensive Interference
Offensive interference is an act committed by a batter, batter-runner, runner, coach, or other offensive team member that illegally hinders a fielder’s opportunity to make a play...
Read Full Explanation →Runner Interference (OBR)
Runner interference gets its own explanation because it can occur in a variety of ways...
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