As the season progressed, he remained second on the depth chart, seeing limited playing time due to injuries as well as starter Mike Hart being healthy and starting all thirteen games. Grady rushed for 187 yards and three touchdowns on 55 carries and added one reception for eight yards. His net rushing yards from scrimmage ranked fourth on the 2006 Michigan Wolverines football team.
As the season progressed, he remained second on the depth chart, seeing limited playing time due to injuries as well as starter Mike Hart being healthy and starting all thirteen games. Grady rushed for 187 yards and three touchdowns on 55 carries and added one reception for eight yards. His net rushing yards from scrimmage ranked fourth on the 2006 Michigan Wolverines football team.