Getty Tennessee Titans interim head coach Mike McCoy. The Tennessee Titans were the first team in the NFL this season to fire their head coach. On Monday, following the team’s latest what-are-you-doing-out-there loss (this time to the Las Vegas Raiders ), the Titans relieved Brian Callahan of his duties. In his place, the Titans named Mike McCoy interim head coach. Back in March, McCoy was brought on as the senior offensive assistant on Callahan’s staff. “I have a job to do now,” McCoy said