大象传媒

Gabby Logan introduces highlights of the fourth event on the 2016 Diamond League calendar in Eugene, Oregon. A host of star names compete in the Prefontaine Classic, including world champion Allyson Felix and Olympic champion Sanya Richards-Ross in the women's 400m.

Kenya's javelin sensation Julius Yego, who won world gold in 2015, will make his US debut, while reigning Olympic champion Christian Taylor takes on former world champion Teddy Tamgho in the men's triple jump. Britain's Tiffany Porter is part of a stacked women's 100m hurdles field, while world silver medallist Shara Proctor goes head to head with her fellow Briton Lorraine Ugen in the long jump.