The Broncos head into the offseason with Drew Lock as their starting quarterback and the answer to their most important question.



But he’s one of only a few answers the Broncos have right now.



About a half-dozen starters and key role players will be unrestricted free agents in March, forcing the Broncos to make some difficult decisions about who to keep and who to let walk. The Broncos have one of the youngest rosters in the NFL, so retaining a few key veteran leaders will be important.



Shelby Harris is one, he makes an interesting case for the Broncos.



Coming off a career season, Harris improved as the year went on and is generally a solid starter. He also filled in at nose tackle for the first four games and was clearly out of place before Mike Purcell took over, so he deserves credit for making that sacrifice and it’s important to consider that stretch when evaluating Harris’ season stats.



He said that playing defensive...