October 7th: The Yankees have indeed had Mateo take ground balls on the right side of second base during Instructional League, but only to get him used to playing the shift, reports King. “He’s over there but only working on shifts,” said Brian Cashman. That makes sense. Again, I don’t see any harm in having Mateo work out at second at Instructs. That’s the place to learn.
September 21st: According to George King, the Yankees are considering having top shortstop prospect Jorge Mateo spend some time working out at second base during Instructional League.