1992 Event Cleveland Browns suffer their worst preseason loss, 56-3, to Vikings 1977 Event NFL decides to experiment with a 7th official in some preseason games 1976 Event Seattle Seahawks play 1st (preseason) game (SF 27, Seattle 20) 1960 Event 1st AFL preseason game Boston Patriots defeat Bills in Buffalo (28-7) 1955 Event 1st NFL preseason sudden death football, Rams beats Giants 23-17
