Scorpion and Walk In The Park, second in the Irish and English Derby respectively, head 39 entries for the Ladbrokes St Leger at Doncaster on September 10.
The latter, trained by John Hammond, found only Motivator too strong at Epsom and could be joined on Town Moor by five of his rivals from the Derby.
They are David Wachman’s Fracas (fourth), the Clive Brittain-trained Hattan (sixth), John Dunlop’s Unfurled (seventh), David Elsworth’s The Geezer (eighth) and Kong (13th), who is also handled by Dunlop.
Scorpion, who came off second-best to French raider Hurricane Run at the Curragh, is the 3-1 market leader with the sponsors, while the third home Shalapour is next at 6-1.
The pair head a strong Irish entry, with Scorpion’s handler Aidan O’Brien, successful in the race two years ago with Brian Boru and with Milan in 2001, having a total of seven entries including last month's Hampton Court Stakes winner Indigo Cat.
Recent Group Two winners Playful Act and Plea Bargain may try to give John Gosden his second winner of the race following Shantou’s victory in 1996, while last year’s victorious connections Godolphin have six entries.
They are headed by Perfectperformance, who has been off the track since October having previously won the Group Two Royal Lodge Stakes, and also include Dubai Surprise, Sunday Symphony, Where With All, Northern Splendour and Queen Of Poland.
Sir Michael Stoute, second with Quiff last year, has the option of running Hard Top, a promising fifth to Proclamation on his only start at Newmarket in October.
This will be the 229th running of the world’s oldest Classic.
Ladbrokes St Leger, sponsors bet: 3-1 Scorpion, 6-1 Shalapour, 7-1 Plea Bargain, 10-1 Indigo Cat, The Geezer, 12-1 Munsef, Walk In The Park, 14-1 Brahminy Kite, Playful Act, 16-1 Behkiyra, Fracas, Kong, Melrose Avenue, 20-1 Hard Top, Mr Vegas, 25-1 Perfectperformance, Streets Of Gold, Tawqeet, Thakafaat, Unfurled, 33-1 Dubai Surprise, Ehsan, Gold Gun, Hippodrome, Queen Of Poland, Yehudi, 40-1 bar.