There are bundles of bookmaker offers and free bets for existing customers to take advantage of EACH DAY. Yes, there are many bookie sign-up offers and free bets for NEW customers, but once you’ve signed-up the bookmaker offers don’t stop there! Look out for DAILY enhanced horse racing place offers, money back refunds if second, Best Odds Guaranteed, plus many more. So, here at SportsLens we’ve complied a list of the best EXISTING CUSTOMER BOOKMAKER DAILY OFFERS that you can take advantage of today on Friday 15th July 2022. Best Horse Racing Betting Offers & Free Bets Already claimed these betting offers? You can check out the best horse racing betting sites and add more top bookmakers to your portfolio. Some Popular Existing Customer Free Bets and Horse Racing Offers Explained Best Od...