Who was the most important player of a Dutch professional football club that Bozidar Sencar played 3 years in before his retirement?
Božidar Senčar:  His last stop was at NAC Breda where he had only three appearances in the last season of his professional career, before retiring in 1958. NAC Breda:  NAC Breda play in the Rat Verlegh Stadium, named after their most important player, Antoon 'Rat' Verlegh.
Antoon 'Rat' Verlegh