Karsten Warholm suffers an injury in his season opener

Tough luck at Rabat Diamond League for the 400mH world record holder, Warholm, and Canadians Jerome Blake and William Paulson

Karsten Warholm returns as Diamond League heads to Morocco

Canada’s William Paulson and Jerome Blake look to make an impact at Rabat Diamond League Sunday

Andre De Grasse wins Rabat Diamond League in season’s best

Stafford runs another personal best and De Grasse takes home a Diamond League win