Manager Joe Girardi said Tuesday he was giving the slugger a day off after A-Rod played third base the night before. The Yankees play a day game Wednesday.
Rodriguez is one homer away from matching Mays for fourth on the career home run list.
Whitley was 2-0 with a 2.12 ERA in three starts at Scranton. To make room for Whitley, New York optioned infielder Gregorio Petit to Scranton.