The Dutchman failed to have a lasting impact with the Bhoys.
The Dutchman's Celtic Park contract was terminated in April.
The Dutchman is keen on a move to the United States.
Celtic winger Derk Boerrigter is set to leave the club.
The Dutchman has struggled in Glasgow.
Andy Walker believes Celtic's recruitment has been poor in recent years.
Celtic boss Ronny Deila says it's time for Derk Boerrigter to leave the Bhoys.
Celtic's development squad take on St. Johnstone this evening, and here is how they line up.
The time has almost come when Celtic must say goodbye to this player.
The Celtic player clearly has no future in the first-team but could he still see out his contract?