Manchester United 1991-92: David Beckham, Ryan Giggs, Gary Neville, Nicky Butt
Barcelona 2002-03: Lionel Messi, Gerard Pique, Cesc Fabregas
Most people probably know of these two, but what are some other successful youth teams that featured multiple players who went on to play at the top level for both club and country?
In 1980 the Copa del Rey final was played between Real Madrid and Real Madrid Castilla
And Real Madrid won it 6-1 for anyone that wants to know