WADA welcomes result of appeal in case of U.S. sprinter Erriyon Knighton – World Anti Doping Agency
- WADA welcomes result of appeal in case of U.S. sprinter Erriyon Knighton World Anti Doping Agency
- Erriyon Knighton Faces Four-Year Ban For Doping Violation RunnerSpace.com
- Knighton and Welteji punished by AIU after anti-doping rulings Athletics Weekly
- US sprinter Erriyon Knighton hit with lengthy doping ban that will keep him out of Olympics New York Post
- Olympic sprinter Erriyon Knighton gets 4-year ban for positive test for anabolic steroid Dunya News