Minnesota Vikings running back Adrian Peterson (C) celebrates his second quarter touchdown with teammates Joe Webb (L) and Matt Kalil as they met the Pittsburgh Steelers during their NFL football game... more 
Minnesota Vikings running back Adrian Peterson (C) celebrates his second quarter touchdown with teammates Joe Webb (L) and Matt Kalil as they met the Pittsburgh Steelers during their NFL football game at Wembley Stadium in London, September 29, 2013. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT FOOTBALL) less 
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Reuters | Photo By SUZANNE PLUNKETT / REUTERS
Sun, Sep 29, 2013 2:17 PM EDT