By Matt Hladik Michigan football is looking for a new offensive coordinator, as Josh Gattis is reportedly leaving Ann Arbor for the same position with the Miami Hurricanes. Gattis spent the last three seasons as the offensive coordinator and wide receivers coach for the Wolverines. The 38-year-old has also worked with Nick Saban at Alabama and James Franklin at Vanderbilt and Penn State. Securing Gattis is a major coup for new Miami head coach Mario Cristobal. Now, Jim Harbaugh has to replace both of his coordinators after defensive coordinator Mike Macdonald left for the Baltimore Ravens last…