Nigeria may be  stripped of the women’s 4x100m relay gold won at the 2022 Commonwealth Games in Birmingham, after an unnamed member of the quartet failed a doping test. The gold winning team comprises Tobi Amusan, Rosemary Chukwuma, Favour Ofili and Grace Nwokocha. In winning the race on 7 August, the quartet set a new African record of 42.10s to …