The Vikings announced Saturday they downgraded Peterson from doubtful on the original injury report to out against Detroit Sunday, when the Vikings and Lions will play the last game at the Metrodome.
Peterson sprained his right foot Dec,Cheap Jerseys For Sale
. 8 at Baltimore and sat out the following week against Philadelphia. He played last Sunday at Cincinnati but was mostly ineffective. Peterson acknowledged afterward the injury affected his performance. He has also been bothered this year by a sore groin.