Is Todd Frazier a marked man with MLB umpires? The New York Mets third baseman played the role of hero Thursday when he capped a dramatic ninth-inning comeback for the Mets with a walk-off home run to left field. Frazier giddily made his way around the bases, rounding third and heading for home to jump into the arms of his waiting teammates. There was only one problem, though: Also waiting for him at home plate standing directly in the middle of the dish was umpire Tom Hallion … and he didn’t move as Frazier got to home plate, leading to one of the more awkward interactions you’ll see on a baseball diamond. Bizarre, right? So,