Dutch legend Willem van Hanegem has hailed the form of Chelsea fullback Patrick van Aanholt on-loan at Vitesse Arnhem.
Van Hanegem was disappointed the youngster didn't make Louis van Gaal's Holland squad for the friendly against Italy.
"If he continues to develop, it may happen that he is ready in about two years when the World Cup is held in Brazil," said Van Hanegem.
"Who can tell? But we're now seeing a player making less errors and playing with greater maturity than before."