Top ten most valuable young players in Europe including Man United pair & £50m Liverpool star Liverpool FC Manchester United FC Posted by Mr Comfort July 7th 2015, 6:12 8. Jose Gaya (Valencia) £18.3mSpanish defender is a known Arsenal target. Next PagePage 3 of 10Prev Page More Stories Aymeric Laporte Domenico Berardi Hakan Calhanoglu Jose Gaya Jose Gimenez Luke Shaw Marquinhos Mateo Kovacic Memphis Depay Raheem Sterling