To replace Jenrry Mejia on the 25 man active roster the NY Mets promote Gonzalo Germen from the 40 man inactive roster to the 25 man active roster
To replace Jeremy Hefner on the 25 man active roster the NY Mets promote Travis d'Arnaud from the 40 man inactive roster to the 25 man active roster
We demote Chris Young from the 25 man active roster to the 40 man inactive roster and promote Andrew Brown from the 40 man inactive roster to the 25 man active roster