On 18 July 2004, the International Association of Athletics Federations (IAAF) ruled that Jerome Young was ineligible to compete in Sydney and annulled all his past results, including those achieved as part of relay teams.
Therefore, the United States team was stripped of the gold medal and Nigeria, Jamaica, and the Bahamas were moved up one position each.
[2] On 22 July 2005, the Court of Arbitration for Sport (CAS) overturned this decision and restored the original finish order of the race based on a ruling that a team should not be disqualified because of a doping offense by an athlete who did not compete in the finals.
[3] In June 2008, Antonio Pettigrew "admitted in U.S. court that he breached the rules" by using banned performance-enhancing substances, and agreed to return his gold medal.
[4] Michael Johnson announced that he would return his own gold medal, won as part of the relay team with Pettigrew.