What happens when a courtesy runner for the catcher enters to run for the pitcher as well?

When a courtesy runner enters to run for the catcher, that runner is designated solely for that specific player. If that same courtesy runner attempts to run for the pitcher as well, it creates a situation in which the rules of player substitution come into play. According to NFHS rules, a runner can only fulfill one running role at a time, and if a player who is serving as a courtesy runner attempts to take on an additional role, it leads to complications in player eligibility and substitution legality.

Therefore, the courtesy runner becomes out because they are trying to occupy two running roles simultaneously, which is not permissible. This ensures that the integrity of substitutions is maintained and that each player has a clearly defined role within the game. In this case, it confirms that the courtesy runner is restricted from further play, as they cannot fulfill multiple responsibilities at once without proper substitution.

Understanding these rules is crucial for proper game management and ensures fairness within the competition, allowing teams to adhere strictly to NFHS regulations regarding substitutions and player roles.