NFL

Associated Press
COMMERCIAL IMAGE - In this image provided by Duracell, Patrick Willis, right, gets ready to take Tony, a San Francisco dog, for a walk with Yogi Roth, second left, at the Duracell, Trusted Battery Power of the NFL, Powers event with Patrick Willis in San Francisco on Friday June 8, 2012 in San Francisco. (Photo by Alison Yin /Invision for Duracell/AP Images)

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