Sections of the media have criticized Los Blancos' decision to spend vast sums of money on transfer fees rather than give youngsters the opportunity to prove their credentials in the first team.
But Del Bosque - who has enjoyed three spells at the Santiago Bernabeu during his career - does not believe that is the case and gave the club his backing.
“I think Madrid have worked very well with their cantera,” he told Zoom News. "And I’m not speaking in the past tense, all Spanish clubs have, and the clearest evidence is that Spain are world champions and the guys in our team have come out of a cantera, not from foreign clubs.”
Follow GOAL.COM USA on Twitter
Does this article fire you up? Comment below and your opinion could be featured in the Boost Mobile Hot Topics published every Thursday. Click here for more details.