He made his Ajax debut in 1947 and won the Eredivisie title in the same year .
He attended a special young talents day held at the club and out of 300 players only two were chosen to represent the club , Van der Hart and Rinus Michels .
Van der Hart made Van der Hart 's Ajax debut in 1947 and won the Eredivisie title in the same year .
He attended a special young talents day held at the club and out of 300 players only two were chosen to represent the club , Van der Hart and Rinus Michels .