Cortes was recalled from Triple-A Scranton/Wilkes-Barre on Saturday.
Masahiro Tanaka landed on the paternity list, so Cortes was called up to add some short-term pitching depth. He started Wednesday's game at Triple-A, so he is probably not a candidate to start Sunday's game in Cleveland, although he could be asked to log a couple innings. Cortes gave up just one hit and struck out eight over six scoreless innings in his last start for the RailRiders.