Sportsbook Poker - Version 1.0 Sportsbook is a firmly established online casino and sports book in operation since 1997. Their online poker room is a new edition to their gaming portfolio, having opened in 2006 as part of the Cake Poker network. Sportsbook Poker is one of the few online poker rooms still accepting US players, with the exception of certain states. Their player volume is on the lower end of the scale but has been growing steadily.Since its inception, Sportsbook has been one of the leading players in the online gaming industry and has been named twice the Best US Sports Book by the eGaming Review. A number of industry records have been set by Sportsbook - from largest turnover, to most active users. While they have only recently entered themselves into the mix of online poker rooms, their software is very stable and has excellent functionality. The majority of the traffic on Sportsbook Poker