What would a Mets trade package for Luis Castillo look like?

If the Reds decide to trade Castillo this offseason, a reasonable ask would be one top prospect who is also a top 100 prospect in baseball, and one other prospect inside a team’s top 10.

For the Mets, Francisco Alvarez and Brett Baty will be off-limits in pretty much any trade. So inquiring teams can forget those two.

That means that for Castillo, a fair offer from the Mets could be SS Ronny Mauricio (ranked No. 3 on SNY’s Top 20 Mets prospects list and No. 53 on the MLB Pipeline Top 100) and RHP J.T. Ginn (ranked No. 5 on SNY’s Top 20). And the Mets would need to sign Castillo to an extension to make that deal worthwhile.

One issue with the above could be the fact that the Reds have highly thought of SS prospect Matt McLain, who could make his MLB debut in 2023. But Mauricio might wind up at third base or second base long-term.

If the Reds are seeking an outfield prospect or first base prospect who’s close to the majors in any deal for Castillo, the Mets might not be a fit as a trade partner.