Fourth-placed Groningen have emerged as dark horses for the Eredivisie crown and as a result are not prepared to sell to the Amsterdammers, who had hoped to bring Silva in alongside his international team-mate Luis Suarez.
"No one will leave us," Groningen director Hans Nijland told www.vi.nl. "I am proud of the position that we have reached in the past few months, but we must hold on to it. We need everyone for that."
Copyright (c) PA Sport 2008, All Rights Reserved.