Carlos Machado is the brother-in-law of a professional mixed martial artist with how many wins by knockout?
Stephen Thompson (fighter) Stephen Randall Thompson (born February 11, 1983) is an American professional mixed martial artist and former professional full-contact kickboxer who currently fights as a welterweight in the Ultimate Fighting Championship. Thompson is undefeated through 37 amateur and 57 professional kickboxing matches, with 40 wins by knockout. He is currently #1 in official UFC welterweight rankings and ranked as the #2 welterweight in the world by Sherdog. He has trained with former UFC Welterweight Champion Georges St-Pierre and currently trains with his brother in law, former UFC Middleweight Champion Chris Weidman.
Carlos Rios Carlos Alberto Ramon Rios is an Argentine professional boxer. He currently has 53 wins and 11 losses. Rios has fought in the super lightweight and featherweight division. Rios has fought for a world title on several occasions. In 1997 Rios fought Luisito Espinosa for the WBC featherweight title. He was defeated by TKO in the 6th round.