My point still stands that I don't think this type of trade actually makes the overall team better given how much value will need to be moved out and salary requirements necessary to keep this guy long term. Soto already turned down a $350 million contract, how do you expect to be able to sign both him and Vlad long term given how each player very well may require $400+ million deals? The team president is on record stating that the club will not be venturing into luxury tax territory for payroll so tying up $70 million annually on two players would greatly affect the ability to build a complete roster to surround these two players with. Shapiro has stated all along that one overall theme for the organization is sustainable winning. Blowing up the farm system and concentrating so many assets into one player would be completely against this philosophy. I would hate to see a stars and scrubs approach to filling out the roster becoming a necessity.
Let's hypothetically say Espinal is a 4 win player moving forward (this might actually be underselling his true potential), Moreno is a 3-4 win player as soon as next year, and Martinez is also a 3-4 win player as well. This would give you above average regulars at 3 positions on the diamond, and they would all likely be cheap as hell to boot. Perhaps there will be other prospects in the system who emerge as potential impact regulars but these are the two prospects who give you a shot for inexpensive star potential in the not too distant future.