July 6, 2021 7:04 pm Sha'Carri Richardson left off Team USA roster Banned sprinter Sha’Carri Richardson has been left off the U.S. relay team after a positive marijuana test and won’t run in the 2021 Tokyo Olympics. Celtics Videos A breakdown of the newest Olympic Sport – Breaking 1:16 A breakdown of the newest Olympic Sport – Breaking 3:10 Ready, Set Gold! with three-time Olympic medalist April Ross