Greg Mattison has joined the Michigan Wolverines as defensive coordinator after leaving the same position at Baltimore Ravens.

Mattison, who was the defensive coordinator at Michigan during the 1995 and 1996 season, returns to the Wolverines under Brady Hoke's new set-up.

Hoke, after the appointment, said in a statement, Greg loves Michigan, loves recruiting and is excited about coming back to Ann Arbor and the University of Michigan. Greg is one of the top defensive coordinators in football, and his defensive units have always prided themselves on stopping the run. He will be a great asset to our program and an excellent addition to our staff.

Ravens coach John Harbaugh was saddened by Mattison's departure but expressed happiness that he is following a true love.

He has loved Michigan since working there earlier in his career. Greg is one of the good people you are fortunate to meet in your life. We are disappointed that he will not be coaching our defense, but we know that he is following a true love by returning to the Wolverines.

Mattison spent two seasons at Michigan in 1995-96. He then was a member of the staff at Notre Dame for eight seasons (1997-2004) before moving to Florida for three seasons as a co-defensive coordinator. (2005-07). He joined the Ravens in 2008 and spent the last two seasons as their defensive coordinator.

Mattison is one of eight staff members hired after Brady Hoke's appointment at Michigan last week.

Fred Jackson (running back coach), Jeff Hecklinski (wide receivers coach), Al Borges (Offensive coordinator), Dan Ferrigno (special teams coordinator), Mark Smith (linebackers coach), Aaron Wellman (strength and conditioning coach ) and Darrell Funk (offensive line coach) have all been brought on from Hoke's previous staff at San Diego State.

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