Hamilton struck out 20.2% of the time he stepped to the plate in AA last season. With very little power. In 650 PA's, that would be 131 strikeouts. If he can keep the same rate as he had in AA. He had a walk rate in AA that rivaled Joey Votto. That isn't going to keep up in the Majors. I would rather play the safe side with Hamilton, send him to AAA and let him work on making contact at a better rate.