MINNEAPOLIS - SEPTEMBER 27:  Adrian Peterson #28 of the Minnesota Vikings carries the ball during an NFL game against the San Francisco 49ers at the Hubert H. Humphrey Metrodome, on September 27, 2009 in Minneapolis, Minnesota. Getty Images logo Getty Images 29 months ago

MINNEAPOLIS - SEPTEMBER 27: Adrian Peterson #28 of the Minnesota Vikings carries the ball during an NFL game against the San Francisco 49ers at the Hubert H. Humphrey Metrodome, on September 27, 2009 in Minneapolis, Minnesota.