2007 -- Patriots (16-0, 16-0): There's only been one 16-0 regular season in NFL history, but that season didn't end with a Super Bowl win for the Patriots, who got upset by the Giants 17-14.
They are the eighth team in NFL history to record 15 wins in a season, the first since Cam Newton's 2015 Panthers. The Chiefs aim to tie Tom Brady's 2007 Patriots for the most regular-season wins ...