Odsonne Edouard is going to leave Celtic, and pretty soon. It might not be next summer, it might not be in January, it might not be until 2021. But as history shows, there comes a point for the vast majority of the Hoops' top players when they outgrow the SPFL and decide to try their hand in one of Europe's major leagues. Callum McGregor, James Forrest and Scott Brown are the recent exceptions, but the list of those to take the leap of faith is far greater; Moussa Dembélé, Kieran Tierney,...