Oisin Murphy rules out appealing three-month ban for positive cocaine test
Oisin Murphy's positive test arose from an unintentional, environmental contamination.
Britain's champion jockey Oisin Murphy has been banned for three months by France Galop after testing positive for metabolites of cocaine.
The Kerry jockey, who successfully defended his title this season, failed a test at Chantilly on July 19 — having ridden The Lir Jet, owned by his bosses, Qatar Racing.
