FBI joins USADA investigation into Mo Farah's coach Alberto Salazar
The Federal Bureau of Investigation is helping the United States Anti-Doping Agency's long-running probe into Sir Mo Farah's coach, Alberto Salazar.
Farah joined Salazar's Nike Oregon Project (NOP) stable in 2011 and the pair have enjoyed huge success together, with the British star winning four Olympic gold medals and five world titles.




