Photo finish: US sprinter Noah Lyles clinches Olympic gold in men's 100m final

US sprinter Noah Lyles Sunday took gold in the closest 100m final in modern Olympic history, becoming the first American to win the event since the 2004 Athens Games.

Photo finish: US sprinter Noah Lyles clinches Olympic gold in men's 100m final
US sprinter Noah Lyles Sunday took gold in the closest 100m final in modern Olympic history, becoming the first American to win the event since the 2004 Athens Games.