For struggling NFL teams the end of the regular season triggers an annual exercise in bloodletting known around the league as "Black Monday" and the action got under way early this year as head coaches were sent packing.

NFL regular season complete, it's time to move into offseason mode for 18 of the NFL's 32 teams. Realistically, some of them have already done so -- especially those that have made changes at the head coach or general manager positions.

Their positive working relationship is an asset to the Dolphins, and I believe in the value of stability,” Ross said in a written statement. “However, continuity in leadership is not to be confused with an acceptance that status quo is good enough.

We're tracking all the NFL coaching news after Week 18 and the playoff outlook heading into wild-card weekend.

NFL season is winding down, and with the playoffs on the horizon, many teams outside the postseason are making headlines due to coaching changes.