Klitschko challenges Russian champion
Published 21 November, 2007, 09:51
Russian heavyweight champion Sultan Ibragimov is to battle Ukraine's Wladimir Klitschko to unify four world titles.
The pair will go head to head at New York’s Madison Square Garden on 23 February in a much anticipated clash.
Klitschko holds the IBF and IBO titles, while Ibragimov defended his WBO belt in a fight against Evander Holyfield last month.
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