Renck: The rookie quarterback has given the Broncos reason to Bo-lieve. Bo Nix has shown he is ready to start. But is this team ready to win? Nix in coach Sean Payton’s scheme provides confidence, but for the Broncos to shock the AFC their top players must shine. The list starts with former All-Pro Patrick Surtain II. We know who will be QB1, but for their CB1 to ascend to another level, he needs CB2 to be functional. So, Sean, the question is simple: Can Riley Moss play well enough for teams to challenge Surtain?