Schlitter, 25, was 0-1 with a 12.38 ERA in seven Major League relief appearances with Chicago in 2010, marking his first action in the bigs.
He was 2-1 with 13 saves and a 3.15 ERA in 37 relief appearances with Triple-A Iowa. Over his Minor League career, Schlitter owns a 7-13 record with a 3.32 ERA (70 earned runs in 190 innings) in 154 relief appearances.
Schlitter was originally selected by the Philadelphia Phillies in the 16th round of the 2007 First-Year Player Draft. The Yankees' 40-man roster currently stands at 39.
Bryan Hoch is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.