The Minnesota Vikings beat NFC North-rival Chicago 21-14, handing the Bears their fourth loss in five games.
Adrian Peterson ran for 154 yards and two touchdowns while helping the Vikings keep their faint playoff hopes alive.
Bears quarterback Jay Cutler was knocked out of the game late in the fourth quarter with an apparent head injury after throwing for 260 yards with one TD and two interceptions.
Bears receiver Brandon Marshall caught ten balls for 160 yards.
Chicago drops to 8-5 while Minnesota improves to 7-6.