What occurs when a player re-enters the game a second time as an illegal substitute?

When a player re-enters the game a second time as an illegal substitute, the proper protocol is for that player to be restricted to the bench immediately. This rule is in place to maintain the integrity of player substitutions and the game's flow. Allowing a player to remain in the game after illegally substituting undermines the fairness and consistency of the competition.

As for the other options, they would not uphold the rules; allowing the player to continue until the end of the game would create confusion and could unfairly impact the outcome. Permitting the player to finish the current inning contradicts the rule that governs illegal substitutions, while penalizing with an out does not accurately reflect the consequences outlined for this situation. The immediate restriction to the bench ensures that the game adheres to established guidelines and that all substitutions conform to regulations.