Mesquite Gaming presents its ultimate mixed martial arts amateur fighting championship event, “Mayhem in Mesquite IX,” 7 p.m. Saturday, Aug. 13 at the CasaBlanca Events Center at CasaBlanca Resort-Casino-Golf-Spa. In partnership with Barry Meyer’s World-Famous Tuff-N-Uff The Future Stars of MMA, the card includes fighters from gyms in surrounding areas, to include Nevada, Utah, Arizona and California.