Bookmaker William Hill has been named the official betting partner of the QIPCO Guineas Festival at Newmarket from May 3-5, the racecourse announced on Thursday. Already an official betting partner of the Randox Grand National Festival at Aintree earlier this month, the bookmaker will have its name attached to 15 races across the three-day stand. Among the sponsored races are the G2 Jockey Club S. on Friday, the G3 Palace House S. on Saturday and the G2 Dahlia S. on Sunday. Two £100,000 Heritage Handicaps on Saturday's card will also...