Online Sports Betting: Online Sportsbook Betting
Sportsbook is a combined word with two words: sports and book. “Sports” here means sports gambling and book is short for bookmaking. In the United States, a sportsbook (sometimes abbreviated as book) or a racebook is a place where a gambler can wager on various sports games, such as golf, football, basketball, baseball, hockey, soccer, horse racing, boxing, and mixed martial arts. There are about one hundred and fifty licensed sportsbooks in the United States, all located in Nevada casinos because sports betting operation is illegal in other 49 states. Betting shop or bookmakers are used in other countries instead of sportsbook.
US Internet Sportsbooks
| Online Sportsbooks | Betting Options | Accepting US Gamblers | Bonuses |
 | Sportsbook, casino, poker, fantasy |  | 100% free signup bonus, 20% reload bonus on every Tuesday and Thursday. Odds Maker |
 | Sportsbook, casino, poker, racebook |  | 50% bonus on first depost, 50% bonus on reload into account, 25% on first deposit of referred, 10% free casino chips and 10% wager losses. Bet Online |
 | Sports, casino, poker, bingo, lottery |  | £100 of free bets |
 | Sports games/events, casino, poker, horse |  | 10% sign-up bonus |
 | Sportsbook, casino, poker, racebook |  | 10% free cash on initial deposit. Sports Betting |
 | Racebook, sports games, casino, poker |  | 10% free cash on first deposit and when referring a friend. RaceBook.com |
In sportsbook betting action, players bet on a sport game (can be personal competition like boxing or a team competition like soccer, basketball or football). There are different betting options: winner, match results, scores, etc. Winning bets are paid to gamblers when the sport event finishes. Before betting, players need to carefully read the online sportsbook rules before placing a real money bet.
If you like to bet on sports games at online sportsbook, please make sure you find a legal sportsbook for sports betting online. The following internet sportsbooks take US gamblers. Some of them also have other gambling options for their customers, such as online casino gambling, and online poker gaming.
Sportsbook odds are important for online sports betting. The odds may differ from one sportsbook to another. Sportsbooks or bookmakers normally post and adjust the odds based on the betting volume, history records of players, health conditions of betting sports game players, forecasted weather condition, etc.
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