Lennox Lewis has admitted he feels Tyson Fury must make ‘adjustments’ to his game for his rematch with Oleksandr Usyk on December 21. Fury will be hoping to win the bout, having previously crashed to defeat against the same opponent back in May. Usyk was too strong on that occasion, with the Ukrainian winning via split decision to become the undisputed heavyweight champion of the world. Fury has insisted he’s confident of getting the better of his rival when they meet for a second time this winter. Yet Lewis, speaking to Boxing News, believes the Briton must make ‘adjustments’ to his game in o…