Sprint king Noah Lyles became the first track and field athlete since Usain Bolt to complete the world championship triple over 100 m, 200 m and the 4×100 m.
The American celebrated his third title in Budapest in the relay with former world champions Christian Coleman and Fred Kerley as well as Brandon Carnes.
The US quartet crossed the finish line on Saturday in 37.38 seconds ahead of Italy with Olympic champion Marcell Jacobs (37.62) and Jamaica (37.76). Most recently, Jamaican Bolt won these three titles at the same time at the 2015 World Cup in Beijing.
The season of the German Athletics Association (DLV) was eliminated on Friday in the preliminary heat after a botched change.