SECTION 81. The interruption of play by any umpire, calling or signaling the ball dead.
5-1-1 Ball becomes dead immediately when:
a pitch touches a batter or his clothing (8-1-1d), a runner (8-3-1a);
The ball becomes dead even though the batter strikes at it (8-1-1d).
the ball is illegally batted (7-3-2 and 7-4-1a) …