Logician will face seven rivals if he puts his unbeaten record at stake in the William Hill St Leger at Doncaster.
After promising his fourth victory from as many starts in the Great Voltigeur at York a month, john Gosden’s colt immediately became a favorite for the world’s earliest grey.
The boy of Frankel wants to supply a success in his jockey Frankie Dettori with a sixth, and the Town Moor showpiece on Saturday to his trainer.
Aidan O’Brien currently has six St Leger victories on his own CV – and also is bidding for a third success after the recent triumphs of Capri and Kew Gardens.
This year, Ballydoyle’s master runs Sir Dragonet – who completed a close-up fifth when favourite in June for the Investec Derby – and recent Lonsdale Cup rank outsider Western Australia and Il Paradiso.
Sir Ron Priestley measures up having won five of his six starts this year for Mark Johnston – that saddles Nayef Road.
Dashing Willoughby, from Andrew Balding’s yard and martyn Meade’s Geoffrey Freer Stakes winner Technician, would be the other hopefuls.