Nigerian sprinter, Grace Nwokocha, has been banned for doping for three years, the Athletics Integrity Unit (AIU) announced on Friday. Nwokocha, who won gold in the 4x100m relay at the 2022 Commonwealth Games, tested positive for Ostarine and Ligandrol, two anabolic agents in a sample collected on 3 August 2022. The AIU said that Nwokocha has admitted to the doping …