Former world champions Wilfredo Vazquez Jr. and Carlos "El Indio" Quintana will see action on the big card which features the return of Ivan "Iron Boy" Calderon, who faces Raul "Rayito" Garcia at the Coliseum Mario "Quijote" Morales in Guaynabo, Puerto Rico. Puerto Rico Best Boxing promotes the event which is part of the 24th Annual Convention of the World Boxing Organization (WBO).

Calderón (34-2-1, 6 KOs), a former two division champion, headlines against Garcia (30-2-1, 18 KOs), for the interim-WBO 105-pound title.

Former WBO super bantamweight champion Vazquez Jr. (20-1-1, 17 KOs) will take part in a ten round bout. The first fight for Vazquez since the May TKO loss to Jorge "Travieso" Arce.

Meanwhile, Quintana (28-3, 22 KOs), who reigned as WBO champion at 147 pounds, will face an opponent to be determined in a ten round bout for a WBO regional title.

Tickets for this card are now on sale at Ticketcenter (www.tcpr.com) by calling 787 792-5000.