Broncos sign QB Nix … Denver has signed QB Bo Nix, the 12th pick overall in last month’s draft, to a fully guaranteed, 4-year $18.7M contract that comes with a $10.4M signing bonus. Like all first-round picks, Nix’s contract has a team option for a fifth year. Nix is the first of the 6 QBs taken in the first dozen picks in this year’s draft.