Adrian Peterson has been downgraded to questionable with an illness for Sunday's game against the Detroit Lions.
The Vikings' running back had been listed as probable to play with a finger injury. Peterson was limited in practice on Wednesday and Thursday, but was full go on Friday and appeared fine to play.
The Vikings official Twitter feed showed the team boarding a plane leaving for Detroit hours before announcing Peterson was downgraded, so the author presumed he made the trip and will receive treatment overnight. The story added there is no word on the severity of the illness. The Vikings play at Detroit in an early afternoon game so owners will be able to make an adjustment. Jerick McKinnon and Matt Asiata will likely combined in some way to take over the workload if Peterson doesn't play.
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