New England Patriots coach Bill Belichick has the most significant changes in NFL history, according to ESPN Stats & Info.
The Patriots improved from 10-5 to 8-4, with the worst loss in the history of the franchise.
Belichick has lost five straight, with five losses in a row at home against the Jets, Bills, Falcons and Steelers.
Belichick’s last win came in his last regular-season game, on Nov. 25, 2013, against the New York Giants.
Belichick went on to win the Super Bowl, with a 27-23 victory over the Green Bay Packers in January 2017.
New England has a 7-3 record at Gillette Stadium since the opening game of the 2013 season, with Brady leading the team with 4,814 passing yards.
The Patriots are 8-1 in the Superdome and have won 11 of the past 13 games.
The Broncos and 49ers have the second and third-worst records in the league, each going 9-4.
The Bills are 6-8 and have lost seven of the last eight games.