VERONA, N.Y. (June 7, 2017) – Former unified world champion and current boxing promoter and mentor Sergio “Maravilla” Martinez, along with his protégé Jon “JonFer” Fernandez, an undefeated prospect at 130 pounds, discuss future plans ahead of Fernandez’s second appearance on ShoBox: The New Generation this Friday, June 9, live on SHOWTIME (10:30 p.m. ET/PT, …
