Ronald Koeman is a Dutch retired footballer who has been manager of the Netherlands national team since 2018. He is the younger brother of his former international teammate Erwin Koeman and the son of former Dutch international Martin Koeman. Koeman was capable of playing both as a defender and as a midfielder; he frequently played as a sweeper, although he was equally known for his goalscoring, long–range shooting, and accuracy from free kicks and penalties. Born in Zaandam, Koeman began his career at FC Groningen before transferring to the Netherlands' most successful club Ajax, where he won the national Eredivise title in 1984–85. He then joined Ajax's rivals PSV, winning three consecutive Eredivisie titles (1986–87, 1987–88 and 1988–89) and the European Cup in 1988. Ronald Koeman is one of five European players to ever win a Treble ...