Weaver booked for Sunny at Epsom Newmarket trainer Nick Littmoden has booked Jason Weaver to ride outsider Sunny Glenn in the Vodafone Derby.His son of 1990 Lingfield Derby trial winner Rock Hopper failed to emulate his sire when only nine lengths sixth to Perfect Sunday in this year`s renewal two weeks ago.But he had shown useful form when beaten a head by Olden Times in a Listed race at Newmarket on his previous outing.And the trainer said today: 'The owners are keen to have a runner in the Derby.'We`ve freshened him up since Lingfield and he will do some fast work next week when Jason will come in and ride him. The horse is very well in himself.'Sunny Glenn is a 66-1 chance with William Hill for the Epsom Classic a fortnight tomorrow.