ESPNCam Newton's antics in Super Bowl 50 loss fuel criticismNFL.comSANTA CLARA, Calif. -- For all the great things Carolina Panthers quarterback Cam Newton accomplished this season, most will be overshadowed by his reluctance to pursue a loose football in the most critical moments of Super Bowl 50. It was the kind of ...Defense powers Broncos, Peyton Manning to Super Bowl 50 winESPN (blog)Brennan: Peyton Manning has no choice but to retire nowUSA TODAYIs Broncos defense NFL's new gold standard?