By Matt Audilet New York Mets ace Jacob deGrom is expected to miss the next several weeks due to a stress injury in his throwing shoulder. Ahead of tonight’s Opening Day matchup against the Washington Nationals, the Mets organization has made a roster decision on their superstar pitcher. DeGrom has been placed on the 10-day injured list. The team avoided placing him on the 60-day injured list by picking up two DFAs on Wednesday. This move leaves the door open for deGrom to return before June, per Mets insider Tim Britton. DeGrom reported tightness in his right shoulder after a spring training …