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FILE - In this 1932 file photo, boxer Jack Johnson, the first black world heavyweight champion, poses in New York City. President Donald Trump on Thursday, May 24, 2018, granted a rare posthumous pardon to boxing's first black heavyweight champion, clearing Jack Johnson's name more than 100 years after a racially-charged conviction. Sylvester Stallone has announced plans for a biopic on the first African American heavyweight champion. (AP Photo/File)