By Rafael Soto

Hermosillo, Son - Luis "Nica" Concepcion of Panama has arrived in Mexico. The boxer will attend tomorrow's press conference in Hermosillo, Sonora, where Zanfer Promotions will formally announce his rematch with WBA flyweight world champion Hernan "Tyson" Marquez. The event will be called "Mexico vs Panama, La Revancha" and the event will be staged at the CMU on October 29th in Hermosillo, Mexico. Fox Sports and TV Azteca will televise. The first bout, which took place in April in Panama, is a "2011 Fight of the Year" candidate. Marquez (31-2-0, 24 KOs) outlasted Concepcion (23-2-0, 18 KOs) in an epic battle which saw both of them hit the canvas.