iGaming Business – UK bookmaker William Hill has agreed a three-year extension to its sponsorship of the Ayr Gold Cup Festival horseracing event until September 2016. The bookmaker will retain full naming rights to the three-day fixture under the terms of the deal. In addition, the firm will also continue its sponsorship of the William Hill Ayr Gold Cup, Silver and Bronze Cups, Doonside Cup, Ayrshire Handicap and Kilkerran Cup. William Hill is a long-term supporter of the Festival, having sponsored the annual event since 2009. “By signing this three-year extension both parties can look forward to continuing to work…