Chicago`s Joey Ruiz scored his 20th victory against one loss Wednesday, knocking out Ricky Kaiser in 30 seconds of the first round at the Holiday Star Theatre in Merrillville, Ind.
In notching his ninth knockout, the 19-year-old Ruiz jabbed and then feinted with his left before sending Kaiser (13-3) to the canvas with a short right.
In other fights, Brian Brunette scored a second-round technical knockout over Ken Larson of Beverly Shores, Ind., and undefeated Jack Callahan of Hammond took a unanimous decision from Jesse Abrahams of Indianapolis.