I think that there's only one nationality and one language in the sport, and you call it performance.
Wladimir KlitschkoEarlier in my career, I never thought of boxing as a chess game, but I confirm that they are, in fact, very similar. You can plan your fights and strategy just like you would in chess.
Wladimir KlitschkoI should say that mental strength is No. 1, experience [is] No. 2, physical strength is No. 3, and genetic ability that you're getting from Mother Nature probably comes after.
Wladimir KlitschkoI run, but boxing conditioning is different, so you have to get used to running in the ring. Boxing movements are very different. Swimming is one of the best because every single muscle is working. I swim a lot. I train very hard at things that mimic boxing. I have to do mostly sport-specific training, such as lots of sparring.
Wladimir Klitschko