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Shot put

LONDON, ENGLAND - AUGUST 03: Christian Cantwell of the United States competes in the Men's Shot Put Final on Day 7 of the London 2012 Olympic Games at Olympic Stadium on August 3, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

Titans of the London Games

A look at the athletes with a larger than life presence at the London Games. -- Paul Martella, Yahoo! Sports