Sky Bet, the online gaming subsidiary of UK pay-television broadcaster BSkyB, has agreed a deal to sponsor the opening race of the next five editions of the Cheltenham Festival horse racing event. Under the five-year deal, the first race of the annual event will be known as the Sky Bet Supreme Novices’ Hurdle. The deal is Sky Bet’s first major sponsorship involvement at the Cheltenham Festival. In addition, Sky Bet will also sponsor two Grade Two novices’ hurdles on ‘The Road to Cheltenham’ a series of races leading up to the Festival. The Sky Bet Novices’ Hurdle will take place…