Professionals find they're no longer kings of the ring

The three professional boxers that bucked 112 years of amateur competition in the Olympics have all been eliminated from the tournament.

Cameroon's Hassan N'Dam, Thailand's Amnat Ruenroeng and Italy's Carmine Tommasone are history.

Ruenroeng, a former IBF world flyweight champion who defeated China's Zou Shiming in a pro title fight last year, was the last to be eliminated. Sofiane Oumiha of France battered him over the final two rounds before their lightweight bout was stopped on Monday night.