Mike McCoy scouted Broncos' quarterbacks during time with Chargers

ENGLEWOOD, Colo. -- The Denver Broncos keep saying they're comfortable with either Trevor Siemian or Paxton Lynch as starting quarterback.

As they enter the early stages of the decision-making process, offensive coordinator Mike McCoy believes he has a head start in evaluating those quarterbacks and the rest of the players on offense. McCoy just finished four seasons as Chargers head coach -- he was fired at season's end -- so he spent plenty of time preparing for the Broncos' quarterbacks as an AFC West foe.

"Being in the same division, and obviously I've seen more of Trevor since he played more than Paxton, I've seen most of those games," McCoy said. "I had a good idea of what the two…