Worst offensive DVOA ever for a full season:
2002 Texans -43.3%
1992 Seahawks -41.3%
2005 49ers -40.4%
2016 Rams -37.8%

Buffalo Bills are currently at -53.4%. Only team worse through six games: 2004 Dolphins through six games were -55.2% but finished at -29.5%.

— Aaron Schatz 🏈 (@ASchatzNFL) October 16, 2018