Usain Bolt is certain this sprinter is world athletics’ next big superstar Usain Bolt is certain this sprinter is world athletics’ next big superstar Quartz Van Niekerk coasts in 400m heats at London world championships Yahoo Sports The Latest: Van Niekerk wins his heat in 400 meters FOXSports.com Usain Bolt shocked by Justin Gatlin in farewell world championships NBCSports.com Good day for SA on the track Independent Online Full coverage 6 AGO 0
