After returning from a short loan spell at Excelsior, Kalou played in the Dutch top-flight Eredivisiefor two seasons from 2004 to 2006 scoring 35 goals in 67 league appearances, also winning theJohan Cruijff Awardin 2005.
ຫລັງຈາກໄດ້ກັບມາຈາກເງິນກູ້ຢືມໄລຍະສັ້ນຢູ່ທີ່ Excelsior, Kalou ໄດ້ຫຼີ້ນໃນການບິນເທິງຂອງໂຮນລັງ Eredivisie ສໍາລັບສອງລະດູການຈາກ 2004 ຫາ 2006 ກໍານົດເປົ້າຫມາຍ 35 ໃນ 67 ປາກົດຕົວ, ຍັງຊະນະ ລາງວັນ Johan Cruijff ໃນ 2005.