Trainer Aidan O’Brien has won the Epsom Derby (4th June 2022) 8 times already and has a strong hand to make it nine after his exciting 3 year-old STONE AGE won Sunday’s Leopardstown Derby Trial by an impressive 5 1/2 lengths – it was no shock to see this Galileo colt shoot to the head of the Epsom Derby betting after that win. Best Horse Racing Betting Offers Sites Highlights Register Already claimed these betting offers? Check out all the latest best betting sites. Stone Age Shoots To Head Of 2022 Epsom Derby Betting Market Yes, bookmakers wasted no time in reacting to Stone Age’s ultra-impressive Leopardstown Derby Trial win on Sunday, by cutting the Galileo colt into favourite for the 2022 Epsom Derby, which will be run on Saturday 4th June. You can see the betting for the main Ep...