Sirmon, who came to Louisville last off-season from Mississippi State, led the Cardinals' defensive efforts for just one season.

Louisville coach Bobby Petrino issued the following statement: “I would like to thank Peter Sirmon for all his work this season at the University of Louisville. I wish him and his family all the best.”

Sirmon accepted a job as the inside linebackers coach and assistant head coach at California per a school press release Friday afternoon.