Michigan CB Woolfolk carted off with ankle injury

Published Sep. 4, 2011 3:20 a.m. ET

foxsports

Michigan cornerback Troy Woolfolk sprained his left ankle in the second quarter and didn't return in a 34-10 win over Western Michigan on Saturday.

''If we needed him, he was going to go back in,'' coach Brady Hoke said.

Woolfolk was hurt covering a kickoff in the second quarter Saturday against Western Michigan. He missed all of last season with an injured right ankle.

Courtney Avery replaced Woolfolk for the Wolverines.