Originally written on Fox Sports South  |  Last updated 10/20/14

GLENDALE, AZ - DECEMBER 6: Adrian Peterson #28 of the Minnesota Vikings runs past Calais Campbell #93 of the Arizona Cardinals at University of Phoenix Stadium on December 6, 2009 in Glendale, Arizona. (Photo by Christian Petersen/Getty Images)
FLOWERY BRANCH, Ga. Minnesota Vikings head coach Leslie Frazier did not rule out on Wednesday that running back Adrian Peterson could potentially play on Sunday against the Falcons at the Georgia Dome. Peterson, who suffered a high ankle sprain to his left ankle last Sunday against Oakland, is wearing a protective boot. Frazier said Peterson would have the boot removed on Friday and then the Vikings will evaluate whether Peterson, who entered last Sundays games ranked fifth in the NFL in yards rushing per game for the 2-8 Vikings, will play. According to media reports, Peterson has a Grade 1 sprain, the least serious kind. Frazier told reporters in Minnesota that the sprain includes a little bit of ligament damage. Were going to see how he progresses here in the next day or two and hopefully on Friday get him out of that boot and just see if he can move around some and then make a determination from there, Frazier said in a conference call with Atlanta media members on Wednesday. If Peterson cannot play, then Toby Gerhart, 6-foot, 231 pounds, will be the Vikings starter. Gerhart has 118 yards on 24 carries, an average of 4.9 yards per carry. We also have Lorenzo Booker who we will intersperse in there as well, Frazier said. Youve seen where we have used (wide receiver Percy Harvin) in the backfield also, but those are some of the alternative methods we would use. Booker is more of a speed back at 5-10, 201 pounds. He has four carries for 34 yards this season.

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