By Harry Davies Tyson Fury has been compared to WWE superstar Dwayne ‘The Rock’ Johnson after showing off his trim physique. Heavyweight champion Fury is just under two months away from his undisputed clash against Oleksandr Usyk in Saudi Arabia and is already in great shape for the fight. The Brit was forced out of their original February 17 date after being cut over his right eye in sparring, but has picked up where he left off in training camp. Fury was accused of being out of shape for his crossover fight against former UFC champion Francis Ngannou last October as he weighed 277.7lb before…