A list of all players who have ever played Relief pitcher for the San Francisco Giants, with photos of the players when available. These San Francisco Giants Relief pitchers are listed by popularity, so the top of this list features only the best San Francisco Giants Relief pitchers of all time. The San Francisco Giants have a rich history with the MLB, and they owe a lot of their success to their talented Relief pitchers. This list answers the question, "Who are the greatest San Francisco Giants Relief pitchers of all time?"This list has everything from Barry Bonds to Deion Sanders.