Former IBF Super-Featherweight Champion Rances “Kid Blast” Barthelemy (21-0, 12 KOs), has vacated his title in pursuit of bigger fights at Lightweight.  Barthelemy’s first fight at 135 lbs. will take place tomorrow night at the Hialeah Park Race Track in Hialeah, Florida, against Angino Perez (18-4, 16 KOs).  Barthelemy vs. Perez, a 10-round bout,