Adrian Peterson says he wants HGH testing in NFL to show he is clean

It's hard, in this era of steroids, human growth hormone and whatever else athletes are using to enhance their performance, to not be skeptical of Adrian Peterson and what he did last season.

He suffered a bad knee injury late in the 2011 season, and less than a year later he rushed for more than 2,000 yards and almost broke Eric Dickerson's record. He looked even better than he did before his ACL surgery, and he has been pretty good ever since we took notice of him when he was at Oklahoma.

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The superstar Minnesota Vikings running back has heard the chatter about how he could have possibly come back so strong, and he said that he's all for HGH testing to prove he's totally clean.

Here's what he said, via ESPN.com's Kevin Seifert:

He also took on another elephant in the room, saying he's sure other players have been using something:

The fact that Peterson had a superhuman recovery and one of the greatest seasons of all time fueled the speculation, but he's fine with that:

With the NFL's reigning MVP on board, maybe that will help push through the expanded testing. He says he has nothing to hide.

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