Pedro Borbón, generally known as Pedro Borbón Jr., is a Dominican former professional baseball pitcher who played in Major League Baseball (MLB) for five teams, over nine seasons. Borbón was mainly a relief pitcher. Pedro Borbon, Jr. hand autographed Atlanta Braves MLB Licensed 8x10 Color Photo. Full blue signature, inscribed #51. New, Custom Black Frame with White Mat. Certificate of Authenticity from Athlon Sports.