Cashman fires back at ‘completely false’ Gary Sanchez rumors

STAMFORD, Conn. — Repelling from the top of the 22-story Landmark Building on Sunday night didn’t change Brian Cashman’s mind about trading Gary Sanchez. Nor did zip-lining across Broad Street to Atlantic Street. And after Jose Feliciano offered a wonderful version of “Feliz Navidad” at a tree-lighting ceremony in nearby Latham Park, the Yankees’ general…