Caesars Entertainment now owns William Hill, so the sheer amount of expertise and knowledge at Caesars Sportsbook is world-class. More important for U.S. bettors, Caesars Sportsbook is focused on responsible gambling. It is licensed and legal in more than 20 U.S. states, while Bovada is unlicensed and illegal in all 50 U.S. states. When you gamble at Caesars Sportsbook, you do so with a full list of legal protections and self-exclusion tools.