Michigan’s 2021 class has mostly stuck together with only a few players flipping to other programs. While there is much discussion about Jim Harbaugh’s status, the assistant coaches are also notable right now and their reactions on signing day. As noted below, OL coach Ed Warinner, OC Josh Gattis, TE Sherrone Moore and RB Jay Harbaugh have been interacting on social media. Many on the defensive side of the bal have not.