BARRY Hearn has tipped Poland's Albert Sosnowski to 'cause a big upset' and beat WBC Champion Vitali Klitschko in May.
Sosnowski hails from Warsaw but is now based in Brentwood, Essex and is managed by Hearn, who has co-promoted the majority of his fights.
Klitschko will be favourite to beat Sosnowski when the pair meet in Gelsenkirchen, Germany, on May 29 but Hearn believes current European Champion Sosnowski will stun the boxing world.
"Albert has been European Champion for just two months and has already been offered a shot for the World Heavyweight Championship," said Hearn.
"This is a life-changing opportunity for Albert and I feel he has the potential to cause a big upset in Germany."
Sosnowski, 31, propelled himself into the boxing big-time in December when he defeated Italian Paolo Vidoz to become European Champion.
Former Olympic Games gold medalist Audley Harrison was scheduled to face Sosnowski at London's Alexandra Palace on April 9.
However, Hearn confirmed that Harrison will still be in action against a European fighter on that date and a new opponent will be named shortly.
"The show on April 9th will go ahead as planned and Audley Harrison will now be fighting a new European opponent," added Hearn.
"This opportunity for Albert shows just how close Audley is to realising his dream of fighting for a world title."
Sosnowski, who is licensed by the British Boxing Board of Control, has defeated current British Champion Danny Williams and won 45 of 48 professional contests.
Harrison, 38, a former Olympic Games gold medalist, kept his professional career alive by winning Matchroom Sport's Prizefighter Heavyweights 3 tournament in October.
Tickets for the show on April 9 featuring Audley Harrison cost £30 and £60 and are available from www.seetickets.com or 0871 230 7148.
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