Stanislaus "Stan" Henricus Christina Valckx is a Dutch former professional footballer who played as a central defender.

Philips Sport Vereniging, abbreviated as PSV and internationally known as PSV Eindhoven, is a Dutch sports club from Eindhoven, Netherlands. It is best known for its professional football department, which has played in the Eredivisie, the top tier in Dutch football, since its inception in 1956. Along with Ajax and Feyenoord, PSV is one of the country's "big three" clubs that have dominated the Eredivisie.