If your going to qoute, then qoute correctly. I stated that aside from the Barcelona squad.
Real Madrid 2017 - 4 - Carvajal (ADCR Leman's), Casilla (Club Gimnàstic de Tarragona), Nacho (AD Complutense), Morata(Atletico Madrid & Getafe)
Real Madrid 2016 - 5 - Carvajal, Jesé (Huracan), Lucas Vazquez (Ural), Casilla, Nacho
Barcelona 2015 - 9 - Pique, Alba, Busquets, Iniesta, Messi, Xavi, Bartra, Rafinha, Pedro.
Real Madrid 2014 - 4 - Casillas, Carvajal, Morata, Arbeloa (Zaragoza).
Bayern 2013 - 4 -Lahm (FT Gern München), Kroos (Hansa Rostock), Alaba (Austria Wien ), Schweinsteiger (TSV 1860 Rosenheim)
Chelsea 2012 - 1 - Bertrand (Gillingham) (Terry suspended).
Barca 2011 - 10 -Valdes, Puyol, Pique, Busquets, Iniesta, Xavi, Messi, Pedro, Thiago, Bojan.
Inter 2010 - 0
Barca 2009 - 10 - Valdes, Puyol, Pique, Busquets, Iniesta, Xavi, Messi, Muniesa, Bojan, Pedro.
United 2008 - 4 -Scholes, Brown, Fletcher, Giggs.
Milan 2007 - 3 -Maldini, Oddo (Renato Curi Angolana), Brocchi.
Barcelona 2006 - 5 - Valdes, Puyol, Jorquera, Xavi, Iniesta.
Liverpool 2005 - 2 - Carragher, Gerrard.
Porto 2004 - 3 - Baía, Costa ( Boavista), Carvalho (Amarante).
Milan 2003 - 3 - Maldini, Brocchi, Costacurta.
Real Madrid 2002 - 4 - Raúl (Atletico Madrid), Pavon, Casillas, Guti
The players in bold came from other clubs, so as I stated "aside from Barcelona the rags are the next best and from being the the norm, its clear that since 2002, aside from Barcelona, the champions league winner has had to use other clubs to supplement their youth setup.