COMMERCIAL IMAGE - In this photograph taken by AP Images for Purina Pro Plan, Olympic gold medalist Picabo Street puts her gold medal on Aztec, a Pit Bull, after winning first place in the incredible ... more 
COMMERCIAL IMAGE - In this photograph taken by AP Images for Purina Pro Plan, Olympic gold medalist Picabo Street puts her gold medal on Aztec, a Pit Bull, after winning first place in the incredible speed and catch competition with his owner Jonathan Offi, left, at the Purina Pro Plan Incredible Dog Challenge at City Park in Denver, Saturday, June 30, 2012. (Jack Dempsey/AP Images for Purina Pro Plan) less 
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Associated Press
Sat, Jun 30, 2012 7:13 PM EDT