http://profootballtalk.nbcsports.com/2013/07/26/adrian-peterson-im-clean-but-some-players-use-hgh/
Adrian Peterson: I’m clean, but some players use HGH
July 26, 2013
At a time when athletes who accomplish extraordinary things are instantly suspected of using performance-enhancing drugs, Adrian Peterson is coming off one of the most extraordinary seasons in NFL history, bouncing back from a major knee injury to rush for more than 2,000 yards and win the MVP. So Peterson knows there are some who suspect him of being dirty.