The Lions are promoting linebackers coach Kelvin Sheppard to defensive coordinator. Here are some things to know about Sheppard.

Dan Campbell is promoting Kelvin Sheppard to Detroit Lions defensive coordinator, filling void of Aaron Glenn, who took New York Jets head coach job.

Staff writers from Detroit Lions OnSI take a look at a number of topics surrounding the already tumultuous offseason for the team, including the reported elevation of linebackers coach Kelvin