Stanford coach Jim Harbaugh made official a number of coaching hires Tuesday that have been previously reported.
Vic Fangio, who has spent the previous 24 years coaching in the NFL, is the Cardinal's new defensive coordinator.
Randy Hart, who served as Notre Dame's defensive line coach last season after 21 years at Washington, will coach the defensive line.
Brian Polian will be the special teams coordinator after serving in the same capacity for the last five seasons at Notre Dame.
Also, Ron Lynn, who has served as assistant head coach and co-defensive coordinator for the past two seasons, will assume the position of director of player development.
Read the official release here.