One position in particular that could cause headaches is wide receiver. Courtland Sutton, Marvin Mims, Troy Franklin and third-round pick Pat Bryant are presumably locks. Devaughn Vele is presumably safe, and Trent Sherfield is set to serve as a key special teams player this season.

Sean Payton is Loving What he's Seen From Troy Franklin in Denver Broncos' Preseason originally appeared on Athlon Sports.

Just how good could the Broncos’ wide receiver group be? That’s one of the great mysteries as the advent of the regular season approaches. Finding himself in rarified air, Mims has earned himself Pro-Bowl and All-Pro appearances as a returner to start his career.