NEW : Fate of last year 's popular Bronco QB Tim Tebow is uncertain . The Broncos are in the market for a new starting quarterback and have been linked to former Heisman Trophy winner Johnny Manziel, but they may not be able to land him because he has yet to ` I 'm proud to be a Denver Bronco , '' Peyton Manning says at news conference . The former Colt was named the NFL 's Most Valuable Player a record four times . So it definitely makes you confident . '' Colts owner congratulates Peyton Manning `` as he heads to a tremendous organization ''
NEW : Fate of last year 's popular Bronco QB Tim Tebow is uncertain . The Broncos are in the market for a new starting quarterback and have been linked to former Heisman Trophy winner Johnny Manziel, but they may not be able to land him because he has yet to ` I 'm proud to be a Denver Bronco , '' Peyton Manning says at news conference . The former Colt was named the NFL 's Most Valuable Player a record four times . Colts owner congratulates Peyton Manning `` as he heads to a tremendous organization ''