Alistair Overeem is a former Strikeforce Heavyweight Champion, DREAM Interim Heavyweight Champion, K-1 World Grand Prix Champion. He is one of only two fighters to hold world titles in both MMA and K-1 kickboxing at the same time....
Remy Bonjasky, said, "The Flying Gentleman" who is a kickboxer Surinamese naturalized Dutch. He has won the K-1 World Grand Prix in Japan three times....