Arsenal boss Wenger: Chelsea youth success depends on manager
"I can understand they want to do the same as we have done at Arsenal, but what is hard in this job, with this policy, is to integrate players into the first team," he said.
"The challenge is not to bring them into the club or give them an education. It is to make room for them and allow them to play. That demands, of course, that you believe firmly in your policy."