THE HAGUE, Netherlands (AP) — Netherlands coach Frank de Boer paid tribute to his predecessor Ronald Koeman on Friday and said he wants to use his time in charge of the national team to prove his doubters wrong. De Boer was appointed this week on a contract through the 2022 World Cup in Qatar, succeeding Koeman who quit after two years in charge of the national team to coach Barcelona. “I believe we have a beautiful future," the 50-year-old De Boer said at his official presentation, as he sat flanked by leaders of the Royal Netherlands Soccer Association at its headquarters. “Ronald Koeman and the men next to me started that a few years ago,” he added.Read more on NewsOK.com