At just 28 years old he is comfortably the youngest-ever coach in the Bundesliga, but TSG 1899 Hoffenheim supremo Julian Nagelsmann has proved wise beyond his years by steering TSG 1899 Hoffenheim out of the automatic relegation spots since taking over in February. The infographic below shows the full Nagelsmann effect since he took charge...

Read: ten things on Julian Nagelsmann

Infographic: the youngest top-flight coaches ever