PORT ST. LUCIE, Fla. — This is not an April Fool’s joke, though it may feel like one: Jacob deGrom is dealing with another injury. DeGrom felt the back of his right shoulder tighten up after a round of long-toss on Thursday, Mets manager Buck Showalter said. The right-hander is expected to be re-evaluated on Friday morning, which will determine whether he will require an MRI. He is likely to be scratched from his scheduled Friday afternoon spring training start against the Cardinals. the Mets manager said he would be “surprised” if deGrom took the hill for what would’ve been his third spring s…
