J.A. Happ has hand, foot and mouth disease in Yankees stunner

What is Happ-ening? A little over a week after the Mets’ Noah Syndergaard was placed on the disabled list with hand, foot and mouth disease, the Yankees sent J.A. Happ home Tuesday due to his contracting the same illness. This may mean the newly acquired lefty won’t be able to pitch in Boston next weekend;…