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 José Buttó’s final line wasn’t great for the Mets on Wednesday, but the return of a proven arm was a welcome development for the club. Slowly, the Mets bullpen is regaining pieces — even as team brass searches for an upgrade or two heading to the trade deadline. Buttó allowed two earned runs on three hits over two-thirds of an inning in the 6-3 victory over the Angels at Citi Field, but he was picked up by Brooks Raley — who got the final out in the seventh and two more in the eighth. “With Buttó, I liked the