Michigan defended their title at the Windy City Invitational, posting a 398.5 tally. Ohio State was 2nd at 387.7 and Illinois 3rd at 373.05. GymAct club programs Iowa (346.0), Minnesota (338.50), NIU (309.55) and UIC (301.1) followed. The Wolverines were led by David Willett, who won the AA with a…