Notre Dame has hired Chris Ash as its defensive coordinator, the school announced on Saturday. The former Rutgers coach replaces Al Golden, who departed his post to take the same

Notre Dame football officially is losing Al Golden to the Bengals. However, the Irish could have an immediate replacement.

Four years ago, Mike Moon was hired to Notre Dame's defensive staff by then-coordinator Marcus Freeman and ex-defensive line coach Mike Elston. But Moon quickly became a key cog in the Fighting Irish's Al Golden-led defense, proving his coaching versatility by roles that assisted with the coaching of Notre Dame's defensive line and linebackers.