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Michigan's Mike Macdonald Agrees to Contract as Ravens DC; Replaces Don Martindale

University of Michigan defensive coordinator Mike Macdonald will make the leap to the NFL and assume the same position with the Baltimore Ravens, per a team announcement Thursday.

The 34-year-old Macdonald worked for the Ravens from 2014 to 2020, serving as an intern (2014), defensive assistant (2015 to 2016), defensive backs coach (2017) and linebackers coach (2018 to 2020) under head coach John Harbaugh.

He joined John's younger brother, Jim Harbaugh, at Michigan in 2021, helping the Wolverines earn their first-ever College Football Playoff appearance. Michigan also won its first outright Big Ten title since 2003.