Andy Hug
Leko first fought in K-1 in 1997, age 22. He won the K-1 European Grand Prix tournament in 1998, and after two losses to big names Andy Hug and Ray Sefo, he rebounded to win the K-1 Dream '99 tournament. By 2000, he had an 11-4 win/loss record in the world's premier stand-up fighting promotion, and was a 2x K-1 tournament champion.