Wladimir and Vitali Klitschko have been dominating the heavyweight division for the better part of the past decade. Slow, technical and methodical, fans have been begging for an exciting fight to challenge their reign.
David Haye couldn't do it, nor could Cristobal Arreola or many other fighters before them. Older brother Vitali will face the brothers' newest challenge on September 10 in the form of Tomasz Adamek. Here are 10 things you need to know about the all-Euro match-up.