The manager of AZ Alkmaar is John van den Brom, who happens to be a member of Vitesse Arnhem, and plays for both ADO Den Haag and AFC Ajax.
[['AZ Alkmaar', 'MANAGER', 'John van den Brom'], ['John van den Brom', 'CLUB', 'Vitesse Arnhem'], ['John van den Brom', 'CLUB', 'ADO Den Haag'], ['John van den Brom', 'CLUB', 'AFC Ajax']]