 Complete the following phrase:  After Van der Sars retirement from the national team, Stekelenburg became the Netherlands first-choice goalkeeper under manager Bert van Marwijk. Stekelenburg was included in the preliminary squad for the 2010 FIFA World Cup in South Africa. On 27 May 2010, Van Marwijk announced he would be part of the final 23-man squad participating in the competition. Stekelenburg helped the Netherlands reach 