There is an old adage in football that a great player doesn't make a great manager. It's one that history suggests rings true, although a quick scan of the top European coaches suggests that pattern is changing.
So we have scanned the top performing European clubs this season and looked back on the playing careers of the highly-esteemed coaches.
Some had more success than others, while there a couple who failed to cut it at the top level. The video above reveals all, and there are perhaps a couple of surprises.