Now 20, Rosario maintains one of the highest ceilings of any player in the Mets' organization. He'll join another such prospect, former first-round Draft pick Dominic Smith, at Binghamton.
The Mets' top four prospects -- Smith, Rosario, Gavin Cecchini and Brandon Nimmo -- are all now playing in the upper Minors.
Anthony DiComo has covered the Mets for MLB.com since 2008. Follow him on Twitter @AnthonyDiComo and Facebook, and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.