Latest on Mets’ coaching staff: Catching instructor Glenn Sherlock retiring  SNYMets coach ‘the first of a few’ dominoes to fall in shakeup  NJ.comMets Coach Glenn Sherlock Retiring  Metsmerized OnlineMLB: Is the Cleanup Starting at the Mets? First Coaching Staff Departure Confirmed  Al BatFirst change comes to the New York Mets’ coaching staff  Sports Illustrated