The Dubai Duty Free Shergar Cup has attracted a star-studded line-up with Frankie Dettori, Kerrin McEvoy and Hollie Doyle committed at this year's team event which takes place on Aug. 6 at Ascot. There will be 10 nations represented across the four teams for the 21st renewal of the Shergar Cup with Dettori, the most successful jockey in Royal Ascot history of those who still hold a licence, captaining the European team. Dettori, who will be making his 11th appearance at the Shergar Cup, said, "It's been a few years...