Commissioner Rex, left, a German Shepherd dog and U.S. boxer George Foreman pose for photographers Saturday, Aug. 30, 1997, in Duesseldorf. Foreman is a guest at the German Shepherd dog championship. He wants to start breeding German Shepherd dogs in the U.S., where he already owns five dogs. Commissioner Rex' real name is "Reginald von Ravenhorst" and is well known as a famous star in a German TV production. (AP Photo/Edgar Schoepal)
In this October 1974 file photo taken by Associated Press photographer, Muhammad Ali works out before his bout against George Foreman in Zaire. (AP Photo/Horst Faas, File)
