ANN ARBOR, Mich. --  J.J. McCarthy threw three touchdown passes to Roman Wilson, helping No. 2 Michigan beat East Carolina 30-3 on Saturday.

The Wolverines (1-0) were without coach Jim Harbaugh, who began serving a school-imposed, three-game suspension for breaking NCAA rules.

McCarthy probably made his coach proud, completing 26 of 30 passes for 280 yards and throwing a a touchdown pass to Wilson in each of the first three quarters.

All-America running back Blake Corum, coming off knee surgery, ran for 73 yards on 10 carries and had a 2-yard touchdown run that gave Michigan a 14-0 lead early in the second quarter.

East Carolina's Mason Garcia was 11 of 18 for 80 yards and had a deflected pass picked off by Mike Sainristil. Garcia shared time with Alex Flinn, who was 6 of 11 for 52 yards.

The Pirates avoided a shutout with Andrew Conrad's 33-yard field goal as time expired.