Chicago Bears' Brian Urlacher (54) looks down as Minnesota Vikings quarterback Brett Favre (4) lies on the ground after being hit during the first half an NFL football game Monday, Dec. 20, 2010, in Minneapolis. The game is being played at the University of Minnesota's TCF Bank Stadium because of damage to the Metrodome roof. (AP Photo/Andy King)

Photo by: Andy King

Chicago Bears' Brian Urlacher (54) looks down as Minnesota Vikings quarterback Brett Favre (4) lies on the ground after being hit during the first half an NFL football game Monday, Dec. 20, 2010, in Minneapolis. The game is being played at the University of Minnesota's TCF Bank Stadium because of damage to the Metrodome roof. (AP Photo/Andy King)