Examining the job security of every NFL head coach at the midseason

As the fortunes of teams change throughout the season, so do the employment prospects for head coaches. When we assessed the future curves for every NFL head coach in August, Dennis Allen still had a job, Jason Garrett was thought to be a few bad games away from firing, Mike Tomlin was on the bubble after two straight .500 seasons, Lovie Smith seemed to have things under control and Rex Ryan's season hadn't yet totally imploded.

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Like we said, things change. And with that in mind, here's a midseason update of the coaching hot seat meter -- from the guys who had best get their résumés in order, to those coaches who can feel secure about buying instead of renting.

Find a full-sized version of the graphic below here.