The churn at the end of the Yankees’ 40-man roster continued Wednesday, with the club taking a flier on another outfielder. The Yankees claimed Yanquiel Fernández off waivers from the Rockies while designating recently claimed right-hander Dom Hamel for assignment. Access the Yankees beat like never before Join Post Sports+ for exciting subscriber-only features, including real-time texting with Greg Joyce about the inside buzz on the Yankees. Try it free The lefty-hitting Fernández, 23, made