Broncos QBs sharing first-team reps

The Broncos are in their second week of on-field practice work, and the starting quarterback’s job remains open. It’s so open that Broncos coach Gary Kubiak told reporters Tuesday that he’s splitting reps evenly among Mark Sanchez, Trevor Siemian and rookie first-rounder Paxton Lynch. As for any kind of depth chart/pecking order, Kubiak said that…