RH reliever Hansel Robles has arrived in New York, according to Anthony DiComo of MLB.com.
With the oblique injury to Anthony Swarzak, who was scheduled to have an MRI on Monday, there's a chance Swarzak is placed on the 10-day DL on Tuesday with Robles added to the active roster.
Robles had been optioned to minor league camp during the final week of Spring Training.
The 27-year-old Robles had a 4.92 ERA (5.13 FIP) in 2017 as his walks continued to tick up (a career-high 4/6 per 9) and his strikeouts continued to trend down (a career-low 9.