Ring City USA: Angel Fierro knocks out Alberto Machado for upset | EXTENDED HIGHLIGHTS | NBC Sports

Jose Martinez and Israel Gonzalez go all 10 rounds to draw, Alma Ibarra beats Maricela Cornejo, Joe Ward defeats Marco Delgado and Angel Fierro stuns with a huge comeback to knock out Alberto Machado in the main event. #NBCSports #Boxing #RingCityUSA » Subscribe to NBC Sports: » Watch Live Sports on : NBC Sports Group serves sports fans 24/7 with premier live events, insightful studio shows, and compelling original programming. NBC Sports is an established leader in the sports media landscape with an unparalleled collection of sports properties that include the Olympics, NFL, Premier League, NHL, NASCAR, PGA TOUR, the Kentucky Derby, Tour de France, French Open, IndyCar and many more. Subscribe to our channel for the latest sporting news and highlights! Visit NBC Sports: Find NBC Sports on Facebook: Follow NBC Sports on Twitter: Follow