Will Andre De Grasse turn it on at the Prefontaine Classic?

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The biggest event on the international track and field calendar this year is the world championships, happening July 15-24 at Hayward Field on the University of Oregon campus. On Saturday, we'll get a sneak preview of the worlds when several top contenders compete in this week's Diamond League meet at the same venue.

Here are the top three things to watch at the Prefontaine Classic in Eugene, Oregon, which can be seen live from 4-6 p.m. ET on the CBC TV network, CBC Gem, the CBC Sports app and CBCSports.ca:

1. Andre De Grasse takes on a star-studded field in the men's 100m (5:52 p.m. ET).

The main event of the meet features the reigning men's 100m world champion (Christian Coleman of the U.S., who was banned from the Tokyo Olympics for missing drug tests) and the silver and bronze medallists from last summer's Olympics (American Fred Kerley and Canada's De Grasse). The entire 200m podium from the Tokyo Olympics is also represented with De Grasse and Americans Kenny Bednarek and Noah Lyles lining up for the 100 in Eugene.

Throw in American sensation Erriyon Knighton, who seems poised to own the 200m for years after placing fourth in Tokyo as a 17-year-old, and Trayvon Bromell, who was favoured to win the Olympic 100m before flaming out in the semis, and that is a lot of big names. The only glaring absence is reigning Olympic 100m champ Lamont Marcell Jacobs of Italy, who withdrew earlier this week due to an injury.

De Grasse is the defending Prefontaine Classic 100m champion. He won last year's race, held just a couple of weeks after the Olympics, in a blistering (though