Dominic Breazeale/Photo by Getty Images
Heavyweight prospect Dominic Breazeale of Alhambra on Saturday ran his record to 12-0 with 11 knockouts when he knocked out Billy Zumbrun (27-13-1) at 2:05 of the second round Saturday in a preliminary bout at StubHub Center in Carson.
Breazeale, a 2012 U.S. Olympian, decked Zumbrun twice in the first round. Breazeale is 28. Zumbrun, of Ogden, Utah, is 41.