Hedgehunter 5-1 Favourite To Retain His Grand National Crown Black Jack Ketchum´s easy as you like victory in the Brit Insurance gave him a 6-1 quote with William Hill for the World Hurdle that was soon snapped up and he is now the 9-2 favourite.Detroit City could also be World Hurdle bound (12-1) following his Triumph win or he is 16-1 for the Champion Hurdle. War of Attrition led home a Gold Cup 1-2-3 for the Irish and earned a 6-1 second favourite quote for next years renewal. Hedgehunter ran a great race in second and is promoted to 5-1 favourite to retain his Grand National crown as well as added to the 2007 Gold cup list at 12-1.