Jay Cutler threw for 286 yards and two 20, at Soldier Field.

Johnny Knox posted 97 yards and a TD on only three receptions for the Bears (7-3), who have won five straight and tied Detroit for second place in the NFC North.

Matt Forte racked up 59 yards rushing on 21 attempts, and Marion Barber added a rushing score for the victors.

Philip Rivers completed 21-of-31 passes for 280 yards and two touchdowns, but was intercepted on two occasions as the Chargers (4-6), lost their fifth straight.

Vincent Jackson totaled game-highs of 165 yards and seven receptions with a touchdown, and Antonio Gates notched a TD reception. It wasn't enough for San Diego, which fell into the AFC West basement, one-half game behind Kansas City, which plays on Monday night.