Michigan Harbaugh Shoutsout Usain Bolt With Tweet Published September 7, 2016 Based on this Jim Harbaugh tweet, with the help of Larry the Cable Guy, here’s what it takes to have Usain Bolt’s confidence: Attacking with enthusiasm unknown to mankind + a Great attitude + speed = Usain Bolt confidence (Thx @GitRDoneLarry) pic.twitter.com/YYk0RIxhPr — Coach Harbaugh (@CoachJim4UM) September 7, 2016 In this article:Jim Harbaugh, Usain Bolt Recent Posts A Couple Schools In The Mix To Land Former UM QB Alex Orji Michigan ‘Biggest Threat’ To Land Five-Star Alabama Commit Former Michigan Player Out Of Ohio Announces Transfer To B1G Program Former Four-Star Michigan DB Announces Transfer Destination Michigan Misses Out On Top WR Transfer Portal Target