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Vikings running back Adrian Peterson, never shy about his talent, spent some time Tuesday explaining his comment from a few days ago saying he was the "LeBron James of the NFL."

Those comments came during a sideline interview at Saturday's preseason game against Oakland when, reminded that Kansas City running back Jamaal Charles made a similar claim, Peterson said he was a better candidate for that comparison.

And while he didn't back down Tuesday, he did sound a bit exasperated that everyone was making such a fuss. "It was just casual conversation," Peterson said after Vikings practice at Winter Park.

But: "I look at all his athletic ability, his God-given talent. Fast, explosive, just all the intangibles. I feel like it's a different sport, but I have the same qualities," Peterson said.