Those teams that failed to reach the postseason will have to take a hard look at themselves and figure out if the ones leading the organization -- particularly at head coach -- are right for the job.

The final NFL Sunday of Week 18 always precedes one of the most interesting days on the NFL calendar: "Black Monday." Every year at the end of the season at least a couple of NFL head coaches are firing within a day or even an hour of their season coming to an end.

Week 18 of the NFL season is always a mixed bag of emotions. While some teams celebrate clinching playoff spots, others face the harsh reality of failure. But for coaches, the stakes are especially high- this is where “NFL Black Monday” comes into play.

The day after the NFL's regular season ends is known as "Black Monday" and several coaches are bracing for bad news.