Alberto Salazar trained the British Olympic Champion for six years.
Mo Farah's former athletics coach Alberto Salazar has been banned from the sport for four years for doping violations.
The American says he'll appeal the decision, following a four-year investigation by the US Anti-Doping Agency and a two-year court hearing.
Farah trained at Salazar's Nike Oregon Project between 2011 and 2017.
Sir Mo has always denied any wrongdoing and, speaking in 2015, said he questioned Salazar about the claims: