By Jon Lees Daryl Jacob missed out on a lucrative payday when a horse he had played an integral role in preparing landed the £427,000 BoyleSport Irish Grand National while the jockey was out injured. The Grand National-winning rider had been looking forward to combining with Intense Raffles at Fairyhouse on Easter Monday, as Simon Munir and Isaac Souede’s retained jockey, after riding the grey to two victories since his arrival from France. But 10 days before the race he fractured his collarbone in two places in a fall at Newbury which cost him the mount and has ruled him out of the Grand Nati…