Carlos Machado is the brother-in-law of a professional mixed martial artist with how many wins by knockout?
Carlos Machado (fighter): Carlos Machado (born November 9, 1963) is an ex world master's champion in Brazilian jiu-jitsu (BJJ) born in Rio de Janeiro, Brazil. Stephen Thompson (fighter):  Thompson is undefeated through 37 amateur and 57 professional kickboxing matches, with 40 wins by knockout.
i don't know