FILE - In this Oct. 16, 1968 file photo, U.S. athletes Tommie Smith, center, and John Carlos raise their gloved fists after Smith received the gold and Carlos the bronze for the 200 meter run at the Summer Olympic Games in Mexico City. Athletes who make political or social justice protest at the Tokyo Olympics were promised legal support Thursday April 22, 2021, by a global union and an activist group in Germany. The pledges came one day after the International Olympic Committee confirmed its long-standing ban on “demonstration or political, religious or racial propaganda” on the field of play, medal podiums or official ceremonies. (AP Photo/File)

FILE - In this Sunday, May 31, 2020 file photo, Jadon Sancho of Borussia Dortmund celebrates scoring his teams second goal of the game with a 'Justice for George Floyd' shirt during the German Bundesliga soccer match between SC Paderborn 07 and Borussia Dortmund at Benteler Arena in Paderborn, Germany. Athletes who make political or social justice protest at the Tokyo Olympics were promised legal support Thursday April 22, 2021, by a global union and an activist group in Germany. The pledges came one day after the International Olympic Committee confirmed its long-standing ban on “demonstration or political, religious or racial propaganda” on the field of play, medal podiums or official ceremonies. (Lars Baron/Pool via AP, File)