Betfair Sportsbook is one of online sportsbooks that is for the serious gambler. The site has tons of sportsbetting options and is one of the largest sportsbooks available from the United Kingdom. The Betfair name is a trusted brand and the site is recommended by the best in the business. New players will find that Betfair offers free cash for those to join and play their first bet. Once you join the site you will have access to any promotions or bonuses the site has to offer.