Athletics It's eight years to the day since Mo Farah completed the 'double double' at Rio 2016 After 10,000m gold in Brazil, Farah followed it up with victory in the Mo Farah's old samples 'may be retested' BBC will air a new documentary investigation into Mo Farah & his former coach Alberto Salazar on Monday Here's a bit on USADA investigating Farah & Salazar's use of L carnitine (legal supplement Farah caught up in controversy over 2014 London Marathon injection Knysna Plett Herald Mo Farah admitted performance enhancing supplement use minutes after denying it, says leaked Salazar probe report