Billings, 28, was assigned to Triple A Albuquerque. He was released by the New York Yankees last Saturday. The right-hander appeared in one game for the Yankees this season, allowing four runs in four innings against the Los Angeles Angels on April 25.
At Triple A Scranton/Wilkes-Barre, Billings had a 5.06 ERA in 80 innings this year.
- Ben Estes