Ray Sefo and Michael McDonald. Michael McDonald against the hard-hitting showman, Ray Sefo. McDonald won the Las Vegas K-1 World Grand Prix in 2002 and 2004, but I think many might agree that his most well-known career highlight, was his 2001 first-round knockout over superstar Mirko ‘Crocop’ Filipovic in Melbourne. #k1 #kickboxing #boxing #karate #taekwondo #kungfu #kempo #savate #muaythai #kyokushin #martialarts #jepang #일본 #kakutogi #格闘技 #glory