8 teams go into tonight's final preseason game with chance to go undefeated: Steelers, Patriots, Raiders, Ravens, Bills, Vikings, 49ers, Giants
— Gil Brandt (@Gil_Brandt) August 29, 2019
Since 1999, 42 teams have finished preseason undefeated:
>> 18 (42.9%) made playoffs
>> 4 (9.5%) reached Super Bowl