WBC heavyweight champion Vitali Klitschko was very complimetary of his next opponent Albert Sosnowski.

"Albert Sosnowski is not a big name and not so famous in boxing so far," he said. "But that does not count at all. He will be very powerful and will always go forward. He will do anything to get my title."

Klitschko will meet Sosnowski in a 12-round bout on May 29 at VELTINS-Arena in Gelsenkirchen, Germany.

"I expect Albert Sosnowski to be in the best shape of his life. I am sure that he will not run and hide like my last opponent Kevin Johnson," Klitschko said. "He said that he will give his all to get my belt, but I am well prepared and will not underestimate him."

But he didn't say the same about possible future opponents David Haye and Nikolay Valuev.

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"Fights against David Haye and Nikolay Valuev are interesting fights, but I am not sure if they dare to step in the ring with me or my brother," he added.