Getty Bo Nix #10 of the Denver Broncos looks on against the Las Vegas Raiders. Bo Nix has already set the Denver Broncos franchise rookie records for passing attempts, completions, yards, and touchdowns. Making his 15th start in Week 16 against Justin Herbert and the Los Angeles Chargers , Nix set another Broncos record. It is a strong start for Nix, who entered the NFL as the most experienced QB in NCAA history . However, former Broncos offensive lineman Tyler Polumbus says there is a ceiling