United States sprinter Erriyon Knighton went to court Monday to defend his claim he was contaminated in a positive doping ...

U.S. Olympic sprinter Erriyon Knighton is in court to defend his claim that he had a positive doping test due to contaminated ...

FILE - Erriyon Knighton, of the United States, reacts following his men’s 200-meter semifinal at the 2024 Summer Olympics, on Aug. 7, 2024, in Saint-Denis, France.

United States sprinter Erriyon Knighton went to court Monday to defend his claim he was contaminated in a positive doping test case that risks a ban from the next world championships. A two-time ...

LAUSANNE, Switzerland (AP) — United States sprinter Erriyon Knighton went to court Monday to defend his claim he was contaminated in a positive doping test case that risks a ban ...

Knighton is the sixth-fastest 200 runner in track history with a personal best time of 19.49 seconds set in 2022. Usain Bolt’s world record is 19.19. He placed fourth in the 200 at past two ...

FILE - Erriyon Knighton, of the United States, reacts following his men's 200-meter semifinal at the 2024 Summer Olympics, on Aug. 7, 2024, in Saint-Denis, France. (AP Photo/Petr David Josek, File) ...