Stock was optioned to Triple-A Syracuse on Thursday, Tim Healey of Newsday reports.

EDGE Analysis

Stock started the second game of Wednesday's doubleheader against Milwaukee and allowed two runs on four hits and two walks while striking out five in four innings to take the loss. He'll head to the Triple-A club during the All-Star break, while Nick Tropeano will remain with the Mets after he served as the 27th man Wednesday.