The New York Giants were the first team to fire their coach, but firing-and-hiring season in the NFL is only just beginning. Our NFL Nation reporters rated the job security of the coaches for all 32 teams and identified 10 other teams that could make a change this year.
Here's everything you need to know about the NFL coaching carousel:
The Giants fired Ben McAdoo and general manager Jerry Reese in the middle of a 2-10 season. With a likely top-five pick in the 2018 draft, who they tab to replace both could define the next decade.
Jobs that will open
The Bengals couldn't reach a contract agreement with Marvin Lewis before the season, essentially making him a lame-duck coach. Lewis is planning to leave the Bengals after this season, league sources told ESPN on Dec. 17.
Jobs that could come open
When 65-year-old Bruce Arians sits down after this season to decide whether to return in 2018, his health will be the biggest factor.
John Fox has the worst winning percentage in franchise history, which means his time in Chicago is likely drawing to a close.
Hue Jackson has only one win in two seasons as the Browns coach, but after firing executive vice president of football operations Sashi Brown on Dec. 7, owner Jimmy Haslam said in a statement that Jackson will return in 2018.
McManamon: Move to fire Brown all about 2018 draft
Jason Garrett was the 2016 Coach of the Year after leading the Cowboys to a 13-3 record with a rookie quarterback and rookie running back. But Dallas has been one of the bigger disappointments of 2017.
The Broncos have never fired a coach who started and finished just one season with the team, so history says Vance Joseph would get a chance to help clean up the mess of 2017.
Bill O'Brien has one year left on his contract, so the Texans could sign him to an extension early in the offseason, or he and the team will part ways.
Chuck Pagano survived back-to-back 8-8 seasons, missing the playoffs both times. But the end is in sight after six seasons as the Colts' coach.
Todd Bowles and the Jets have exceeded expectations. But the job isn't done yet. Ownership is looking for an upbeat finish to the season.
The Bucs finished 9-7 last year in Dirk Koetter's first season as coach, but things aren't looking good in Year 2.