Article Photos: Manning, Porter magnificent in Denver debuts 2/6

  Denver Broncos quarterback Peyton Manning looks to pass against the Pittsburgh Steelers during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. The Broncos won 31-19. Manning got his first touchdown as a Bronco and the 400th of his career with a 71-yard pass to Demaryius Thomas during the third quarter. (AP Photo/David Zalubowski)