Duke Roufus, a legendary kickboxer and UFC coach, has died at the age of 55. Roufus was a well-known MMA coach who helped guide some of the biggest names in the UFC View 2 Images A kickboxing icon recently passed away in his sleep (Image: 2016 Josh Hedges/Zuffa LLC)

The world of mixed martial arts is mourning the loss of legendary kickboxer and UFC coach Duke Roufus, who has died at the age of 55. The highly respected MMA coach guided many big names in the UFC and other fighting divisions. ‌

It's believed that the Wisconsin-based coach passed away in his sleep. He had an illustrious career both as a fighter and a coach, mentoring UFC icons like Ben Askren and WWE superstar Phil Brooks, also known as CM Punk, during his brief stint in UFC. ‌

Roufus was the younger sibling o

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