British boxer Amir Khan has been banned from all sport for two years after testing positive for a prohibited substance following his fight against Kell Brook in February 2022.
Khan lost to bitter rival Brook at Manchester’s AO Arena, in what was the Bolton fighter's first bout in two-and-a-half years, when the referee stopped the contest in round six.
It proved to be the 2004 Olympic silver medallist's final fight as he decided to hang up his gloves three months later aged 35 after 34 wins from 40 fights.
But the former light-welterweight world champion had tested positive for ostarine – a drug designed to have similar effects to testosterone – after the Brook fight. "I've never cheated," Khan said on Sky News on Tuesday. "I'm a retired fighter.