Van Persie was replaced by Danny Welbeck on 65 minutes as United sought to rest their top goal - scorer and re-establish a stranglehold on the game .
Norwich brought on Kei Kamara .
Van Persie was replaced by Danny Welbeck on 65 minutes as United sought to rest their top goal - scorer and re-establish a stranglehold on the game , while Norwich brought on Kei Kamara .