The day after he fired coach Nathaniel Hackett, Broncos CEO Greg Penner noted multiple areas he and the club’s new ownership group intended to overhaul. The coaching staff, of course, dominated the conversation that day because a search that eventually led to Sean Payton was about to shift into high gear. Penner, though, also noted he and his wife, Carrie Walton Penner, had been talking with NFL chief medical officer Dr.