The first NFL coach firing occurred on Monday, with the Titans releasing second-year leader Brian Callahan, who had a 4-17 record with the team.
The Titans, averaging only 13.8 points per game with rookie quarterback Cam Ward, were expected to make a change soon.
Under interim coach Mike McCoy, the Titans will face former head coach Mike Vrabel and the New England team in Week 7.
The loser of the Dolphins-Browns game on Sunday could potentially lead to the firing of either Mike McDaniel or Kevin Stefanski.
The Titans were seemingly headed for a change sooner than later.
Author's summary: NFL coach firings begin with Brian Callahan's release.