The current Olympic champion Italy's Marcell Jacobs, who has had a wretched time with injury since his shock Tokyo success, looked a little sluggish in finishing second in 10.05 behind Nigerian heat winner Kayinsola Ajayi (10.02).
American duo Gabby Thomas and Noah Lyles took impressive 200 metres victories and two men posted monster, wind-assisted 90 metre javelin throws as the Diamond League season got underway on a lively night in front of a noisy crowd in Doha on Friday.
Carl Lewis minces no words and is scathing in his opinion on giving all attention to recently-retired Usain Bolt
With no Russians, few stars and the sport engulfed in a doping crisis the world indoor athletics championships begin this week with officials holding their breath and eager to put the spotlight back on the track.
Images from the World Athletics Championships in Eugene, Oregon, on Monday, Day 4.
Summary of sports events and persons who made news on Sunday
The American won in a season's best time of 9.76 seconds with his compatriot Justin Gatlin second in 9.89 and Canadian Andre de Grasse third in 9.90.
While the people who run athletics are dreading the day Usain Bolt leaves their stage, Canadian Andre de Grasse must be licking his lips at the prospect after emerging as the man most likely to fill the void.
Always the crown jewel in the Olympic athletics programme, the Rio 100 metres final is shaping up to be extraordinary for many reasons.