The New York Mets paid $3.9 million to sign shortstop Wandy Asigen, a prospect who spent months lined up with the rival Yankees before an executive shake-up sent him to Queens instead.A verbal agreement between Asigen and the Yankees fell apart late last year, and a newly published bonus tracker shows just how big a swing the Mets landed in his place, ranking his bonus among the largest of the entire 2025-26 international class, according to Bei…