BILOXI, Miss.—Flashy boxer Nate “The Galaxxy Warrior” Campbell will make the first defense of his International Boxing Federation, World Boxing Organization and World Boxing Association lightweight titles against undefeated two-division world champion Joan “Sycuan Warrior” Guzman on Saturday, Sept. 13 at the Beau Rivage Theatre in Biloxi, Miss.

Campbell (32-5-1, 25 KOs), from Jacksonville, Fla., picked up his titles in a tremendous upset over previously undefeated unified lightweight champion Juan “Baby Bull” Diaz. Campbell outgunned and battered the previously unbeaten Diaz in his most recent appearance on March 8 in Cancun, Mexico. He won the fight by split decision but clearly dominated his opponent.

An International Boxing Federation bantamweight championship will be on the card with champion Joseph King Kong Agbeko (25-1, 22 KOs), from Accra, Ghana, making his first defense against No. 1-ranked mandatory challenger William “Chirizo” Gonzalez (21-2, 19 KOs), from Managua, Nicaragua.

A World Boxing Council featherweight championship elimination bout will also be showcased with No. 1-ranked Hector Velasquez (50-11-2, 35 KOs), from Tijuana, Mexico, against No. 2-ranked Elio “The Kid” Rojas (19-1, 13 KOs), from the Dominican Republic, now fighting out of Brooklyn, N.Y. The winner becomes the WBC featherweight mandatory challenger, guaranteeing a title shot.

The event is being promoted by Don King Productions in association with Beau Rivage. The Campbell vs. Guzman main event will be presented in association with One Punch Productions and will also be televised live on SHOWTIME Championship Boxing beginning at 9 p.m. ET/PT/8 p.m. CT (delayed on the West Coast). Ticket prices are $39.95, $69.95, $89.95 and $299.95 plus tax and service charge and can be purchased at the Beau Rivage Box Office or by calling 888.566.7469 (9 a.m. to 9 p.m. daily).. Beau Rivage room reservations can be made by calling 888.567.6667 or visiting www.beaurivage.com.