Claim: Gerf Kruys spent his professional career with FC Utrecht and RCK Waalwljk and became a coach for several teams such as FC Den Bosch and FC Volendam.
Evidence: Kruys played his entire career for FC 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, FC Den Bosch, De Graafschap, FC Dordrecht and FC Volendam.