BetMGM vs BetRivers is a comparison between two operators that both earned their license the same way — through a real, physical casino business rather than an offshore server. BetMGM is the 50/50 joint venture between MGM Resorts International and Entain. BetRivers belongs to Rush Street Interactive, the Chicago company behind the Rivers Casino chain. Lay their state lists side by side and the overlap runs 14 states deep, with one state — Delaware — accounting for the entire gap in BetRivers’ favor on both sportsbook and casino.
BetMGM vs BetRivers, side by side
| BetMGM | BetRivers | |
|---|---|---|
| Operator | 50/50 JV: MGM Resorts International + Entain | Rush Street Interactive (NYSE: RSI) |
| Headquarters | Jersey City, New Jersey | Chicago, Illinois |
| Sportsbook footprint | 23 states plus D.C. | 15 states |
| Casino footprint | MI, NJ, PA, WV (4 states) | DE, MI, NJ, PA, WV (5 states) |
| State only that brand covers | KS, KY, MA, MO, MS, NV, TN, WY, D.C. | Delaware only |
| Welcome offer structure | First-bet safety net, up to $1,500, 7-day expiry | Second Chance Bet, up to $500, 30-day expiry, -200 odds floor |
Is BetMGM or BetRivers Legal Where You Live?
Both brands answer this the same honest way: a license, state by state, or nothing. BetMGM has simply collected more of them — 23 states plus D.C. against BetRivers’ 15 — but neither one fudges the line the way an offshore book does. If your state isn’t on either list, there is no workaround through either brand, regardless of what a national commercial implies.
The Delaware detail: it’s the only state where BetRivers has BetMGM beat outright — sportsbook and casino both. Rush Street Interactive has operated in Delaware since the state’s early sports-betting rollout; BetMGM has never launched there on either product.
Is BetMGM or BetRivers More Legit?
Both clear this bar with paperwork, not slogans. BetMGM’s parent companies are two public entities — MGM Resorts on the Nasdaq, Entain in London — and the venture posted around $2.8 billion in 2025 net revenue, its first year of net income. BetRivers’ single parent, Rush Street Interactive, trades on the NYSE as RSI and posted $370.4 million in Q1 2026 revenue, up 41% year over year. Neither brand is asking a reader to take legitimacy on faith; both have quarterly numbers on record.
Sportsbook Footprint: Nine States Only BetMGM Has
Strip out the 14 states where both operate and BetMGM is still left with nine jurisdictions BetRivers hasn’t touched: Kansas, Kentucky, Massachusetts, Missouri, Mississippi, Nevada, Tennessee, Wyoming, and Washington D.C. BetRivers has no equivalent list of its own — Delaware is its only state without a BetMGM counterpart. That asymmetry is worth knowing before assuming the two brands are simply interchangeable in most of the country.
Casino: The Same Gap, One State Wide
BetMGM Casino runs in Michigan, New Jersey, Pennsylvania, and West Virginia. BetRivers Casino runs in those same four states plus Delaware. It is the identical pattern as the sportsbook comparison — Delaware is the one variable, not a sprawling difference in product philosophy.
The Welcome Offers Aren’t Twins
Both brands use the same basic mechanic — refund a losing first bet as bonus bets — but the fine print diverges. BetMGM’s cap runs up to $1,500 with a 7-day expiry and no stated odds floor. BetRivers’ Second Chance Bet tops out at $500 in most states (less in several), expires in 30 days, and only applies to wagers at -200 odds or longer — a real restriction BetMGM’s offer doesn’t carry. Neither structure is a path to guaranteed profit; both come with wagering strings that reduce what actually converts to withdrawable cash.
Which One for Who
In one of the 14 overlapping states, this is preference, not availability: BetMGM if the Las Vegas name and the wider bonus cap matter more, BetRivers if a Rivers Casino property is already part of your routine or the second chance bet’s smaller print doesn’t bother you. In Delaware, BetRivers is simply the only one of the two with anything to offer. In the nine states where only BetMGM operates — Nevada and D.C. among them — BetRivers isn’t a fallback; there’s no BetRivers app to open there at all. If gambling stops being entertainment, call 1-800-GAMBLER.