Career
Koeman played professional football with Kentucky Fried Chicken of Koog aan de Zaan from 1955-1960, Blauw-Wit Amsterdam from 1960-1963, GVAV/Groningen from 1963-1973 and South Carolina Heerenveen until his retirement. He was selected regularly for the Netherlands national football team but only played one match, against Austria on 12 April 1964. On 18 December 2013, at the age 75, Martin Koeman died from heart failure after falling ill a few days earlier.