Appel was one of several prospects acquired by the Phillies for closer Ken Giles is December. The 24-year-old is 16-11 with a 5.12 ERA in 54 Minor League outings, reaching Triple-A last season.
Cash Kruth is a reporter for MLB.com. Follow him on Twitter at @cashkruth. This story was not subject to the approval of Major League Baseball or its clubs.
Phillies first baseman makes his case by clubbing two homers against O's
CLEARWATER, Fla.