Adrian Peterson downgraded to questionable with illness

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null Vikings running back Adrian Peterson was downgraded to questionable for Sunday's clash against the Lions with an undisclosed illness.Peterson, who's also been dealing with a finger injury, was originally listed as probable after being limited in practice Wednesday and Thursday, before returning for a full session Friday. MORE: Week 7 picks straight-up But the Vikings official Twitter page posted Saturday that Peterson has been downgraded. Adrian Peterson (illness) has been downgraded to questionable for #MINvsDET— Minnesota Vikings (@Vikings) October 24, 2015Peterson has averaged 107.1 rushing yards per game in his career against the Lions, including 192 yards from scrimmage in their first meeting this season in Week 2.If Peterson's unable to go, Matt Asiata and Jerick McKinnon will split carries in his place.