e getting some treatment and was a part of all the meetings to get a head start on the mental aspect of things heading into this weekend, Manning said.The four-time NFL Most Valuable Player has the Broncos off to an 8-1 start heading into a matchup against the 9-0 Chiefs.Manning has completed 71 percent of his passes for 3,249 yards with 33 touchdowns and six interceptions so far this season.He w