Oliver Perez is a Mexican former professional baseball pitcher. He played 20 seasons in MLB for multiple teams. He competed for the Mexico national baseball team in the 2006, 2009, 2013, 2017 and 2023 World Baseball Classic. Oliver Perez has hand autographed this Official Rawlings Major League Baseball (Selig) Bold Black Full Pristine Signature with #59 inscription. Athlon Sports Collectibles Certificate of Authenticity. Image of actual item in stock - as shown