About Erwin Koeman
Erwin Koeman (born 20 September 1961) is a Dutch former professional football player who currently serves as an assistant coach for the Netherlands national team. As a midfielder, he played in three spells at Groningen and two at PSV Eindhoven, as well as winning national and European trophies at Mechelen in Belgium. He earned 31 caps for the Netherlands between 1983 and 1994, being part of the team that won UEFA Euro 1988 and played at the 1990 FIFA World Cup. Koeman managed Feyenoord, RKC Waalwijk (twice) and Utrecht in the Eredivisie, as well as the national teams of Hungary and Oman. He also served as an assistant manager to his younger brother Ronald Koeman at Premier League clubs Southampton and Everton, and the Netherlands national team. A midfielder, Koeman played with Groningen, Mechelen – where he won the Belgian League in 1989 and 1988 Cup Winners' Cup during the team's heyday – and PSV, where they became league champions in 1990–91 and 1991–92 seasons. Koeman finished his playing career with Groningen in 1998 and became youth coach at PSV.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.