If any doubt lingered about Broncos rookie quarterback Bo Nix’s status for Monday night, he put it to rest Friday. “I’m good to go,” he said flatly. “Ready to roll.” Nix was estimated to be a limited participant in Denver’s Thursday walkthrough because of a back issue but then was a full participant Friday. He didn’t miss any time in Sunday’s 29-19 victory over Las Vegas, but the broadcast did show him grab at his lower back after he made a throw backpedaling in the face of pressure from Raiders defensive end Maxx Crosby.