When the Denver Broncos released their first depth chart ahead of the preseason, Bo Nix was listed as the third-string quarterback. Jarrett Stidham was the listed starter and former No. 2 overall pick Zach Wilson was his backup. Just 15 days later, Sean Payton announced Nix as the starter. It was quite the journey for the former Oregon and Auburn star as he flew up the depth chart and now has his first NFL start in his sights. As for how Nix was able to become QB1 so quickly, NFL Network’s Ian Rapoport said he handled the offseason program well. His understanding of Payton’s offense made a str…