By Deesha Thosar
FOX Sports MLB Writer
WASHINGTON — About 24 hours before his season debut, Jacob deGrom appeared restless in the confines of the visitor’s clubhouse at Nationals Park.
He walked from one room to another, then stood at his locker, looked around and seemed a bit fidgety before he picked up his glove from his chair and went back on the move.
It was a nervous energy that stood out particularly because the rest of his Mets…