Alvarez, Enzo, Mastantono, Echeverri and Palacios all came from River Plate's youth training. They brought a total transfer fee of 146 million euros to River Plate.
Mastantono joined Real Madrid for 45 million euros
Enzo joined Benfica for 44.25 million euros → joined Chelsea for 121 million euros
Alvarez joined Manchester City for 21.4 million euros → joined Atletico Madrid for 75 million euros
Echeverry joined Manchester City for 18.5 million euros
Palacios Joined Bayer Leverkusen for 17 million euros