Boxing trainer Don Charles thinks Tyson Fury has ‘gone silent’ as his fight with Oleksandr Usyk creeps closer. The mega showdown between the two heavyweights will take place on February 17 in Riyadh, Saudi Arabia. Fury goes into the fight looking to silence his critics, having been condemned for his poor performance during his victory over Francis Ngannou at the end of October. Usyk, meanwhile, is a man operating at the peak of his powers having won all 21 of his career showdowns so far. Some have questioned Fury as the fight creeps closer, including his own father. There are individuals who b…