‘No one is unbeatable’: Tuchel eager for England to impose style on Spain | Nations League

Proof of concept. It is Thomas Tuchel’s latest buzz phrase. The England manager has dropped it into the conversation pretty regularly since the Friday of last week when he named his squad for this international window, the one that was always going to decide whether his team finished first or second in their Nations League group.

By it, Tuchel means a test of his methods, what he is trying to…