PHOENIX, Ariz. - There has been plenty of speculation about the possibility of Vikings running back Adrian Peterson being traded to the Cowboys, who lost tailback DeMarco Murray to the Eagles in free agency. But it may not happen, even though Dallas has a need at the position.

According to a source familiar with the Cowboys' situation, the team is not looking to trade for Peterson at this point. The source said that the team is ready to move on and find a different solution at running back. The Cowboys have already signed Raiders free agent Darren McFadden, and could look to add another running back via the draft. The team has already shown interest in Melvin Gordon of Wisconsin.

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If Peterson winds up being traded, the team that may have the most interest is Arizona, which has struggled to produce a solid running game in recent years.

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The Vikings have repeatedly said they hope to keep Peterson, who spent most of last season on the Commissioner's Exempt List after being charged on a felony count of injury to a child. He later pleaded no contest but has not yet been reinstated by the NFL. Peterson successfully appealed his case through a federal court in Minnesota, but the NFL has appealed that decision in U.S. District Court.