Boyd Gaming offers sports betting at all its Las Vegas casinos except Main Street Station, which connects to California. BetMGM also has legal real-money online sports betting in more than a dozen states.īoyd Gaming was one of the first to the mobile sports betting market with its BConnected app. This includes Aria, Bellagio, Mandalay Bay, MGM Grand, and Mirage. Many of the sportsbooks are on the destination level. It is offered at all casinos under MGM Resorts. MGM caters to serious and recreational bettors. MGM Resorts and its BetMGM product are among the leaders in the Las Vegas sports betting industry.