As Chris Cornell sang "Black Hole Sun" during his Live Earth performance in Hamburg, Germany, the sun was setting on Lamon Brewster some 220 miles south in Cologne.

In front of over 20,000 partisan Vladamir Klitschko fans, the Ukrainian pummeled his opponent with a relentless jab and right hands, prompting trainer Buddy McGirt to throw in the towel before the start of the 6th round.

Klitschko came out of his corner in the first round and stood in the centre of the ring, staking his ground and thwarting Brewster's onrushes with a stiff and powerful jab. The American nicknamed "Relentless" had little brewing in his pot, and barely landed more than a couple of left hooks as most of his energy was spent trying to move his head and slip his opponent's jabs. Brewster became more frustrated as the rounds went by, trying to get inside while using a high guard, but seemingly less willing to make the sacrifices necessary to turn the bout into a dogfight, as he did successfully in the first match. At 228 lbs, Brewster was only two pounds more than what he weighed when he beat Klitschko the first time, but he looked soft around the belly and fatigued by the 3rd round. Klitschko, 49-3 (44), looked as relaxed as he's ever looked, determined not to let Brewster get inside and land his left hook. Brewster, 33-4 (29), did not contest his trainers decision to stop the fight, and told HBO's Larry Merchant that he told himself "don't be a fool" and live to fight another day.

The irony, of course, is that this ethos is espoused more often by European boxers, as opposed to American fighters--like Brewster--who are supposed to go out on their swords. Brewster conceded that the better man won, and that leaves Klitschko one step closer to being recognized as not only the legitimate heavyweight champion, but a dominant one. Unification fights against the winners of Samuel Peter-Oleg Maskaev and Ruslan Chagaev-Sergei Lyakhovich are on the horizon.

But a rematch with Corrie Sanders is a must if Klitschko is to be known not as KlitschKO'd, but Vlad the Impaler.