MINNEAPOLIS (AP) Adrian Peterson rushed for 154 yards and two touchdowns and Harrison Smith returned an interception for a score to lead the Minnesota Vikings to a 21-14 victory over the free-falling Chicago Bears on Sunday.

Peterson topped 100 yards before the first quarter was over, helping the Vikings (7-6) overcome another lackluster day from quarterback Christian Ponder to get a victory that will keep their faint playoff hopes alive.

Jay Cutler threw for 260 yards, one touchdown and two interceptions and couldn't finish the game for the Bears (8-5), who have lost four of their last five. He took a wicked hit to the head from Everson Griffen in the fourth quarter, remained in the game for the rest of that drive, but was replaced by Jason Campbell with 3 minutes to play.

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