Mariano Rivera Signed 2013 Bullpen Used Save Warmup Ball Inscribed "Exit Sandman,Save #635 7/2/13"~Limited Edition of 1~
Yankee Legend Mariano Rivera personally hand-signed this bullpen ball that he warmed up with before earning a save during the 2013 Season. He also inscribed the ball with his save number and the date. Mo saved one of these warm up balls from each save game, and they are literally a one-of-a-kind piece for any fan's collection. It comes guaranteed with a Steiner Sports Certificate of Authenticity and accompanying tamper-evident Steiner Hologram. Steiner Sports is the Exclusive Memorabilia Provider of Mariano Rivera.