Denver Broncos quarterback Peyton Manning (18) during an NFL football practice at the team's headquarters Saturday, Jan. 30, 2016, in Englewood, Colo. The Broncos are preparing to face the Carolina Panthers in Super Bowl 50 on Sunday, Feb. 7. (AP Photo/David Zalubowski)
Denver Broncos quarterback Peyton Manning (18) during an NFL football practice at the team's headquarters Saturday, Jan. 30, 2016, in Englewood, Colo. The Broncos are preparing to face the Carolina Panthers in Super Bowl 50 on Sunday, Feb. 7. (AP Photo/David Zalubowski) David Zalubowski AP
Denver Broncos quarterback Peyton Manning (18) during an NFL football practice at the team's headquarters Saturday, Jan. 30, 2016, in Englewood, Colo. The Broncos are preparing to face the Carolina Panthers in Super Bowl 50 on Sunday, Feb. 7. (AP Photo/David Zalubowski) David Zalubowski AP