NFL Insider Jason Lacanfora...
Ravens bracing for D coordinator Greg Mattison to leave for U of Michigan. Secondary coach Chuck Pagano would replace him
Baltimore Ravens defensive coordinator Greg Mattison is expected to go the University of Michigan as their new defensive coordinator, according to a league source with knowledge of the situation.
105.7 the fan (in the Baltimore area) is reporting the same
Allen Trieu's 'NFL Sources' concur