NEW YORK — Jacob deGrom has thrown three live batting practice sessions in the past eight days as his ramp-up continues to intensify. DeGrom’s latest live BP was 27 pitches. Mets manager Buck Showalter was amazed that he could watch the session, live, from the confines of Citi Field. The skipper and other team officials pulled up the video on a large computer screen on Wednesday morning. Showalter was mum about what deGrom’s next step will be, but he indicated a rehab start is close. The Mets have a set schedule for deGrom, one they’ve been following to a tee throughout his rehab journey, but …
