Erriyon Knighton faces a doping ban just before his shot at LA, overshadowing his record-breaking sprint career born in 2004.
18-year-old Australian sprinter Gout Gout has set a new legal world under-20 record in the 200 meters with a time of 19.67 seconds at the Australian national titles. He has also improved his own national record and is focusing on the upcoming under-20 world championships, skipping the Commonwealth Games. Gout's performances have attracted international attention, and he has drawn comparisons with Usain Bolt.