BOXING-MMA: Boxing-8

Georges St-Pierre (L) knocks down Jake Shields during their Welterweight Championship bout at UFC 129 in the Rogers Centre on April 30, 2011 in Toronto, Ontario.

Georges St-Pierre (L) knocks down Jake Shields during their Welterweight Championship bout at UFC 129 in the Rogers Centre on April 30, 2011 in Toronto, Ontario.