Successful fighters in modern MMA who began their training in various forms of wrestling include former UFC Lightweight Champion Frankie Edgar, 2000 Olympic silver medalist Yoel Romero, 2009 world champion and former ONE FC Welterweight Champion Ben Askren, former Olympic wrestler and former UFC Light Heavyweight and Heavyweight Champion Daniel Cormier, 2008 Olympic Gold medalist and former UFC Flyweight Champion and Bantamweight Champion Henry Cejudo and former Pride FC Middleweight and Light Heavyweight Champion Dan Henderson, who competed extensively in collegiate and Greco-Roman wrestling before beginning his career in mixed martial arts.[29]