Objectively, the Boston Red Sox have gotten the better of the New York Yankees in the Carlos Narvaez trade, to this point. They have received above-average MLB production at a position of need, dealing away an arm from their apparent surplus to fill the gap - although it seems Connor Wong was the Aroldis Chapman Whisperer/the most important person in the world the entire time, so did they really need Narvaez?
Yes. Uh ... yes, they did.
That said, while Narvaez's production has occurred with the big club, and the Yankees have only received dominance below the surface from their end of the deal, righty Elmer Rodriguez-Cruz, there's certainly a chance this will eventually morph from a fleece into a good, solid baseball trade where both teams profit.