Michigan was going to have a tough enough time beating Oregon Saturday in Ann Arbor with a full and healthy roster. When we learned Friday that both starting corners — Will Johnson and improving Jyaire Hill — would miss the game with injuries, a loss seemed like a foregone conclusion. RELATED: Michigan falls 38-17 to No. 1 Oregon: Game recap, final box score Sure enough, the Ducks picked on the backup corners, including junior nickel Zeke Berry after he slid out to cover corner. Quarterback Dillon Gabriel threw for 294 yards and a touchdown against the revamped secondary, and he had another lo…