HOLLYWOOD, FL - IBO/WBA/WBO/IBF heavyweight champion Wladimir Klitschko was working very hard at the Heavyweight Factory Boxing Gym in Hollywood, Florida. Wladimir is preparing for his HBO televised title defense against top rated, undefeated challenger Bryant Jennings. The fight takes place on April 25 from New York's Madison Square Garden. Klitschko has not fought on American soil in several years and hopes to make the Jennings the first victory of a planned run in the United States, which includes an inevitable fight with the undefeated power-punching WBC kingpin Deontay Wilder.