JUPITER, Fla. — A.J. Ewing’s goal entering the season is the same as it was last year: “Dominate the level where I’m at.” The Mets outfield prospect went from Low-A St. Lucie to Double-A Binghamton last year and has been among the group of young players that has stood out to Carlos Mendoza so far this spring. Access the Mets beat like never before Join Post Sports+ for exciting subscriber-only features, including real-time texting with Mike Puma about the inside buzz on the Mets. Try it free “