Coaches (or managers) seem to be getting earlier starts as many former and not former players get to coach teams at highest levels inside their thirties. The following is a list of some of the youngest coaches in Europe’s biggest leagues.
In the English Premier League Jan Siewert at Huddersfield is the youngest at 36, he took over after David Wagner (47) left earlier in 2019. Scott Parker is currently the second youngest at 38. The former Fulham, Tottenham, etc. player is only a caretaker after Claudio Ranieri