Clue is in the name, but this online sportsbook is affiliated with the eponymous Fox Sports network.
Betfred is another British bookmaker that started in 1967 - funded by winnings that the founders made by backing England to win the 1966 football World Cup. The digital platform launched in 2004.
The Caesars Sportsbook can boast its Vegas retail pedigree, and has one of the more extensive online sports betting presences in the US. The parent company bought British bookmaker William Hill in April 2021.
Bet Rivers is an alternative online sports betting offering from Rush Street Gaming, owners of the physical Rivers Casino Pittsburgh and the Rivers Casino Philadelphia (previously the SugarHouse). Both apps are active in their native Pennsylvania, but operate in different states beyond that.
WynnBET - the online sportsbook associated with one of the biggest names on the Vegas strip - operates in a number of states and has official betting partnerships with a number of NFL, NBA and NHL teams, as well as Nascar.
FanDuel also began as a fantasy sports competition operator. In 2018 it was acquired by Irish bookmaker Paddy Power Betfair, and within days opened its first retail sports betting outlet at New Jersey's Meadowlands Racetrack.
PointsBet, also operating out of New Jersey, launched in January 2019. It is an official sports betting partner of NBC Sports.
Practically a household name across the UK, William Hill began as a London-based bookmaker, with retail outlets across the land. Today, however, it operates globally online, and in April 2021 its buyout by US-based Caesars Entertainment was completed.
theScore Bet is the mobile sports betting app brought to you by the Toronto-based Canadian sports media company, theScore.
BetMGM is a subsidiary of MGM Resorts International, the hospitality and entertainment giant. BetMGM has official partnerships with the NBA, NHL and MLB, as well as exclusive betting partnerships with numerous NFL teams.