We price the BetMGM welcome bonus as the best betting promo for Massachusetts sports bettors. You get a 1st bet supply, up to $1,000, now that this on-line sportsbook is reside. The BetMGM Massachusetts bonus code ROTOBONUS makes it possible for you to bet up to $1,000 on any market and receive a full rebate if you drop. There are lots of other fas