Career
Kruys played his entire career for Football Club Utrecht (1978–1988), except for one short spell at RKC Waalwijk (1987). He retired in 1988, and soon afterwards became a coach who worked for AGOVV Apeldoorn, Cambuur Leeuwarden, Football Club Den Bosch, De Graafschap, Football Club Dordrecht and Football Club Volendam. After being coach of Topklasse side IJsselmeervogels, Kruys returned in professional football by becoming coach of Sparta Rotterdam on 1 January 2014.
However, he was sacked on 29 November 2014.
