Only A Game Published by Only A Game Littlefield: Dress Codes, Assigned Seats, And Silly NFL Rules Listen 2 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/690530/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Bill Littlefield was last required to wear a necktie in 1966. He was surprised to learn this week that on at least one NFL team, the rule is still in place.