<prompt> Qedela umusho olandelayo: 2.NgoMeyi 2014, i-US  <response>: Ilungu leqembu le- 4 × 100 metres relay uTyson Gay wathola ukumiswa unyaka owodwa ngenxa yokusebenzisa i-anabolic steroid futhi waphucwa izindondo zakhe ngemuva kuka-15 Julayi 2012 lapho esebenzisa okokuqala. NgoMeyi 2015, i-IOC yabhalela i-US Olympic Committee ibatshela ukuthi baqoqe izindondo kozakwabo uTrell Kimmons, Justin Gatlin, Ryan Bailey, Jeffery Demps noDarvis Patton. Abalingani bakaGay ababili abagijima naye emdlalweni wokugcina, uKimmons noBailey, nabo babekade bekhishiwe. Izindondo zahlukaniswa kabusha, iTrinidad neTobago yanikezwa isiliva, iFrance yathola ithusi. 