Vladimir Klitschko took the IBF heavyweight title away from Chris Byrd with a technical knockout after putting the American on the canvas a second time in round seven in Berlin.
The 30-year-old Ukrainian took control of the fight in the second round and knocked down Byrd for the first time with a powerful left-right combination in the fifth round before flooring him again with another flurry two rounds later.
Klitschko has a 46-3 record with 41 KOs. Byrd's record slipped to 39-3-1 with 20 KOs.
Boxing: Byrd loses crown
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