 Another undrafted rookie, running back BenJarvus Green-Ellis, elevated from the Patriots' practice squad before the Chargers game, replaced Morris, who left the game with a knee injury.A Patriots punt was followed by a Broncos three-and-out; Welker returned the punt 44 yards to give the Patriots the ball at the Broncos' 28-yard line.After two Green-Ellis carries gained one yard, Cassel used a screen play to throw a 27-yard touchdown pass to Moss to extend the Patriots' lead to 27–0.