# He is the finishing pitcher in a game won by his team # He is not the winning pitcher # He is credited with at least ⅓ of an inning pitched # He satisfies one of the following conditions: ## He enters the game with a lead of no more than three runs and pitches for at least one inning ## He enters the game, regardless of the count, with the potential tying run either on base, at bat or on deck ## He pitches for at least three innings