RulesMLB Umpire Manual
CHECK-SWING APPEALS
Rule 8.02(c): The Comments to Official Baseball Rule 8.02(c) provide that the manager or catcher may request the plate umpire to ask a partner for help on a half-swing when the plate umpire calls the pitch a ball. The rule further states that appeals on a half-swing may only be made on a call of…
RulesMLB Umpire Manual
APPEAL PLAYS—APPROVED RULINGS
Rule 5.09(c): (1) Runner on first base, one out. The batter doubles. Runner on first rounds the bases and tries for home. On the play at the plate, the catcher misses the tag and runner misses the plate in sliding by. As the catcher begins to chase the runner to apply a tag, the batter-runner…