Yankees’ Clint Frazier is starting to live up to all that boasting

Clint Frazier was the coming attraction to a blockbuster trade that never really arrived. The word of mouth was strong and there were, in Yankees manager Aaron Boone’s words, “glimpses” of Frazier’s skill set — notably his bat speed — that so intrigued and excited. But during his Yankees tenure, Frazier often has seemed more…