alerting umpire of pitching change

SIGNAL TO THE BULLPEN

Rules 5.10(b), 5.10(b) Comment: The manager must notify the umpiring crew that he is making a pitching change by clearly and unambiguously informing the home plate umpire of the pitcher who will be entering the game. Additionally, the manager should be mindful to signal for a left-handed pitcher with his left hand, or a right-handed…

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