Free agent right-hander Dylan Covey signed a one-year contract with the New York Mets on Thursday.Financial terms were not disclosed by the Mets for Covey, who posted an 0-2 record with a 2.66 ERA in 18 relief appearances with three different minor league teams this past season. He was working his way back from a right shoulder strain in the Philadelphia Phillies’ organization.Covey, 33, opted for free agency on Oct. 10.