Mets broadcaster Ron Darling is taking a leave of absence to address a medical issue. Darling revealed on the air Saturday in Atlanta that, after not feeling well and undergoing tests, he was told by doctors that he has a large mass in his chest. Best wishes and a safe, speedy recovery, @RonDarlingJr.Statement from Fred and Jeff Wilpon:“Our thoughts and prayers continuously remain with Ron for a full recovery and we look forward to seeing him back in the broadcast booth soon.” pic.twitter.com/cjOCveFSqO— New York Mets (@Mets) April 14, 2019Saturday’s game will be his last one in the SportsNet New York (SNY) booth until after surgery. MORE: Watch ‘ChangeUp,’ a new MLB live whiparound show on DAZNThe operation to remove the mass is scheduled to take place next week. Darling said he expects to return to the broadcast booth in May, barring complications. Darling, 58, pitched for the Mets from 1983-91. He has been a part of the SNY broadcast team since 2006.