DETROIT, MI - SEPTEMBER 29: Matt Forte #22 of the Chicago Bears looks for room to run while playing the Detroit Lions at Ford Field on September 29, 2013 in Detroit, Michigan. (Photo by Gregory Shamus/Getty Images)

DETROIT, MI - SEPTEMBER 29: Brandon Marshall #15 of the Chicago Bears tries to break away from Rashean Mathis #31 of the Detroit Lions in the first quarter at Ford Field on September 29, 2013 in Detroit, Michigan. (Photo by Gregory Shamus/Getty Images)