The Orioles' Triple-A affiliate in Norfolk activated right-hander Robinson Martínez on Thursday, Oct. 29.
Martínez, 28, is a native of Moca, Dominican Republic. He has not yet made his major league debut.
Earlier the same day, he was assigned to Triple-A Norfolk.
Also on Oct. 29, right-hander Victor Padilla was assigned to the Dominican Summer League Orioles Black, left-hander Keegan Akin elected free agency and left-hander Trevor Rogers elected free agency.
Follow every Orioles roster move in Baltimore Sports Feed's Orioles transactions tracker, and get the latest Orioles news and analysis.