The Eredivise have SIX players on-loan from Blues this season.
Vitesse, with three Chelsea loanees, finished fourth last season. They point out they are still exporting players, with talented young Holland midfielder Marco van Ginkel going the other way to Chelsea this summer and striker Wifried Bony to Swansea.
Club spokesman Wiebe Nelisson told the Daily Express: "We have a good relationship with Chelsea. Call it a co-operation. We benefit due to the high level of these players; Chelsea benefit by the experience they get. It does not hinder our own young players. Making the team better makes the players better. "
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