The name Mariano Rivera is synonymous with New York Yankees closer. Beginning his MLB career in 1995 he has led the Yankees to four World Series Championships, winning a World Series MVP in 1999, along with an ALCS MVP in 2003. Mariano Rivera pitched the last pitch in the old Yankee Stadium and is one of the most decorated athletes of all time. This Mariano Rivera autographed baseball comes complete with a Steiner Sports Certificate of Authenticity and has been signed on the sweetspot of an official MLB baseball.