GENEVA (AP) — Two-time Olympic finalist Erriyon Knighton was banned for four years on Friday in a doping case that ruled the 21-year-old United States sprinter out of the 2028 Los Angeles Games.

The Court of Arbitration for Sport said its judges upheld separate appeals by the World Anti-Doping Agency and track and field investigators, who filed after Knighton was cleared by a U.S. tribunal of testing positive to an anabolic steroid. The tribunal accepted he was contaminated by eating meat.

WADA and the Athletics Integrity Unit argued the evidence that was presented to exonerate Knighton was statistically impossible and asked for a maximum four-year ban, the court said.

Knighton is the sixth fastest man in track history over 200 meters, with a best time of 19.49 seconds. Only Noah Lyles

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