You Asked: How Are Footballs Chosen and Certified Before a Game?All footballs used in the NFL are checked by referees before each game and are marked for use if they’re up to league standards.Get more newsLiveonPrintSaveCreate your free profile or log in to save this articleJan. 23, 2015, 7:33 PM UTC / Updated Jan. 23, 2015, 6:50 PM UTC