WBC champion Vitali Klitschko, left, and challenger Odlanier Solis pose during the official weigh-in in Cologne, Germany. World boxing champion Vitali Klitschko of the Ukraine will fight Odlanier Solis from Cuba for the WBC heavyweight title Saturday night at the arena in Cologne. Solis weighed 112- kilos [246.9.pounds], while Klitschko was 113.2 kilos [249.5]. Solis was at his lowest weight in three years, since he weighed 246¾ to beat Cisse Salif in 2008.