Video: U.S. mixed 4x400m relay DQs in prelims on late exchange

TOKYO, JAPAN - JULY 30: Elija Godwin of Team United States competes in the Mixed 4x400 metres relay round 1 on day seven of the Tokyo 2020 Olympic Games at Olympic Stadium on July 30, 2021 in Tokyo, Japan. (Photo by Michael Steele/Getty Images) (Getty Images, 2021 Getty Images)

Americans Elija Godwin and Lynna Irby pass the baton outside the exchange zone, disqualifying the Team USA and its first-round win in the mixed 4x400m relay prelims; the Dominican Republic also DQs on a zone order rule.