Supreme Court decision on the Professional and Amateur Sports Protection Act of 1992 could determine the fate of sports betting beyond four grandfathered states. William Hill a few years ago partnered with Monmouth Park in anticipation of legal sports betting becoming a reality in New Jersey-and perhaps the entire country.Īn upcoming U.S. Joe Asher, chief executive officer of William Hill US, was among the panelists for a sports betting discussion held March 14 at the National Horsemen’s Benevolent and Protective Association winter convention. As the pari-mutuel industry prepares for a potential gambling environment that includes legalized sports betting, regulation and tax rates will be of the utmost importance, according to an official with William Hill, a British bookmaking firm with United States-based businesses.