The Broncos conclude their offseason work this week with a three-day minicamp that begins Tuesday. It will be the only mandatory work of the offseason, and will be the team’s final set of club-organized practices until it reconvenes in six weeks for the start of training camp. When the Broncos take the field Tuesday, all eyes will be on quarterback Bo Nix, whose work in the last two weeks has been limited to walk-through snaps as he recovers from ankle surgery in late April.