The Outback Way, who won the race last year for trainer Venetia Williams has 10-10 while stablemate Bellator (10-6) picked up a 6lb penalty to add to his 10st when winning Tuesday's williamhill.co.uk Haldon Gold Cup at Exeter.
Martin Pipe's seven-strong team is headed on 10-3 by Majadou, a three-time winner at Cheltenham.
The champion trainer's other entries are Upgrade (10-2), Tresor De Mai (10-1), Blowing Wind (9-7), Lady Cricket (9-6), Dark Stranger (9-2) and Exit Swinger (8-11).
Legal Right, successful in last season's Tripleprint Gold Cup at Cheltenham, has been allotted 10-7 while the Jessica Harrington-trained Slaney Native heads the eight entries from Ireland on 9-13.
The weights for the £50,000 Direct Answers Hurdle on November 12 have also been announced and are headed on 12st by Martell Aintree Hurdle winner Mister Morose.
Tote Gold Trophy victor Geos, trained by Nicky Henderson, is next on 11-8.
Frankie Dettori warms up for Saturday's Breeders' Cup meeting with two rides for Chris Speckert at Churchill Downs today.
Dettori, who arrrived in Kentucky this morning, has been booked to partner Bring Me The Prize in a $44,200 allowance event.
In the following event, a $42,900 allowance contest, the twice champion rider will team up with Robin de Nest.
