The last time Oleksandr Usyk attended a London press conference to publicise a boxing match, he dressed up as the Joker and laughed his way through the event at the Tottenham Hotspur Stadium with the air of a man who never took anything too seriously.
But nearly a year on, the world has changed and so has Usyk. Now, as the Ukrainian holds court nine miles south of Spurs, it is a different, far more solemn heavyweight with a new perspective on life and certainly on fighting.
