 Adamek defeated veteran American Michael Grant by unanimous decision on 21 August 2010.In his first fight of 2011, Adamek defeated Irishman Kevin McBride by a wide unanimous decision.On 10 September 2011 Adamek faced the WBC heavyweight champion Vitali Klitschko in Poland, losing by TKO in the 10th round, in the first ever PPV fight in Polish TV history..