Saleh, who was fired in October as the New York Jets head coach five games into his fourth season, generated interest on the head-coaching front and was seen as one of the frontrunners for the Jacksonville Jaguars job. He also interviewed with the Las Vegas Raiders and Dallas Cowboys.

Robert Saleh has been a popular name mentioned as a potential candidate to succeed Aaron Glenn as the defensive coordinator for the Detroit Lions. The former New York Jets head coach is a Detroit native who was a finalist for becoming the Lions’ head coach when the team hired Dan Campbell.

SANTA CLARA, Calif. — Robert Saleh is reprising his role as the 49ers’ defensive coordinator, the team announced Friday night. Saleh returns to a vastly different unit than he left behind four years ago.