Surprising events are going to happen in the world of Boxing and for the first time for many years will be held the World boxing Super Series. According to their results will be defined the best fighters in the cruiserweight and super middleweight. Historically, the main attention is attracted to heavyweight boxers, in our case to the representatives of the cruiserweight (up to 90.7 kg), and in this article we would like to discuss the power balance in this weight category.