tony mccoy , the greatest ever jump jockey , is guaranteed a roaring send-off at aintree this week as he heads for retirement and has promised to call it quits there and then should his grand national ride shutthefrontdoor bring him a second career victory over the world 's most famous steeplechase .
mccoy is riding in his 20th grand national and aintree is busy setting the scene to make sure it is one he never forgets .
the royal liver building in liverpool was lit up with a good luck message for tony mccoy that