Bas Rutten
Former UFC heavyweight champion Bas Rutten is truly one of the pioneers of MMA. First fighting in 1993 as a professional in Japan, ‘El Guapo’ would go on to win the UFC heavyweight title at UFC 20.
He officially retired in 2006, and is now aged 51. He had a professional record of 28-4 in MMA and 14-2 in kickboxing.
