Many of the best betting apps have access to hundreds of betting markets across dozens of sports. It has never been easier to bet on sports in the United States, whether you use your computer or mobile device. Since sports betting is becoming more popular in the US, there are a lot of betting sites for sports bettors who live in states that allow legal sports wagering. While fantasy sports are one of the key parts of RotoWire's history, sports betting has become a large part of our offerings to sports fans with the boom in the legal wagering industry.