A registration for the Matt Leinart Flag Football. The Matt Leinart Flag Football League, in conjunction with the NFL Flag Football program, is a flag football league for kids in grades PreK-8th, with the emphasis on community fun. The league is for both boys and girls of all skill levels and promotes a competitive, confidence-building, non-contact football experience. Founded in Newport Beach in 2010, the goal of the league is to provide a fun league for kids to be involved in, while also developing and furthering their football skills. FEMALES IN FLAG The Females in Flag all girls league is the sister league to ML FLAG, providing a safe and positive space where girls feel welcomed and supported. Females in Flag leagues are currently found in Costa Mesa, Irvine, South County, Mission Viejo and Huntington Beach. Visit one of the links below to register. Leagues are run throughout the year in Fall (Sept Nov), Winter (Jan Feb), Spring (March May), and Summer (July) at locations across Orange County.