The latest Academy debutant, who made his senior bow against LASK last season, only turned 18 at the end of April.
It is almost unheard of to have such a callow youngster pushing to play at the heart of a first-team defence. Matthijs de Ligt is somebody who springs to mind, and has already been referenced by Ole in connection to Teden, because he captained Ajax while still a teenager.
Yet last term's FA Youth Cup skipper has always exuded authority and confidence. Even from his first pre-season trip to Austria with the youth team, he was comfortable talking to us on camera about his ambitions and aspirations for the coming season.