Coerver played five years for local side Rapid JC, with whom he won the Dutch league title in 1956.

[1] After retiring as a player, he managed Dutch clubs S.V.N., Rapid JC,[2] Sparta,[3] N.E.C.,[4] Feyenoord[5] and Go Ahead Eagles as well as Indonesia.

He won the UEFA Cup with Feyenoord Rotterdam in the 1973–1974 season[6] as well as the Eredivisie title.

Under this technique, players progress in a structured manner, pyramidal, from basics of ball mastery to a tactically driven group attack.

They would be exposed to the other essentials like Receiving and Passing, Moves (1v1), Speed and Lethal Finishing.