NFL hot seat index: which coaches are running out of time?

The Titans' firing of Brian Callahan has kicked off the annual bloodletting. With several clubs' playoff hopes already in peril, there are toasty seats across the league

The Tennessee Titans' firing Brian Callahan this week signaled the unofficial start of the coaching carousel.

Six weeks into the season, a league built for parity is finding there is little to go around. Nearly half (14) of the league's teams this season are two games over .500. Three others have winning records and another three (the Chiefs, Panthers and Commanders) are 3-3 with an upward trajectory.