ANN ARBOR, MI – OCTOBER 01: Michigan Wolverines head football coach Jim Harbaugh throws the ball during the pregame warms ups prior to the start of the game against the Wisconsin Badgers at Michigan Stadium on October 1, 2016 in Ann Arbor, Michigan. (Photo by Leon Halip/Getty Images) *** Local Caption ***Jim HarbaughJim Harbaugh is known for his colorful personality on Twitter. Today, he’s using his account to show off some Michigan moms for Mother’s Day.Harbaugh has posted eight photos of Michigan mothers and their sons so far this morning. Loving & Dedicated Moms of Michigan Football – Glenda McCray, Paula O’Korn, Erica Kinnel & Susan Bunting. pic.twitter.com/ZonxmftThj— Coach Harbaugh (@CoachJim4UM) May 8, 2016Loving & Dedicated Moms of Michigan Football – Sela Litia Tu’ipulutu Mone, Carolyn Malzone, Kesha Bush & Pam Gedeon. pic.twitter.com/GfKpglB35f— Coach Harbaugh (@CoachJim4UM) May 8, 2016This is very cool on Harbaugh’s part. Hopefully he puts up some more photos as the day goes on.