Rock's Extreme MMA III Fight Night is coming to the American Bank Center as part of the Roar by the Shore Bike Fest Saturday night.Fighters for 13 separate bouts gathered for their pre-fight weigh-in Thursday evening, lining up to determine their class in the mixed martial arts amateur competition.Many local competitors will be participating, including Peter Caballero and champion Aaron Gomez, both from Corpus Christi."I just love fighting, and I'd rather do it in a place where I don't get in any trouble," local fighter David Waters said."I'm definitely going on to make a career out of it. I love it," Texas fighter Brandi Cobos said. "It's my passion. It's what I do."The fights take place at the American Bank Center arena beginning at 7 p.m. Saturday night.