Tigers promote Ryan, designate Miller
To make room for Ryan, the Tigers designated right-hander reliever Justin Miller for assignment. In eight appearances, he was 1-0 with a 5.11 ERA.
Ryan will start the nightcap of the doubleheader and make his major league debut. After being promoted from Double-A Erie, the 22-year old left-hander was 3-0 with a 1.64 ERA for Triple-A Toledo.