AIDAN O’BRIEN’S main hopes in the 227th renewal of the St Leger at Doncaster could lie with Vodafone Derby runner-up The Great Gatsby, along with Roosevelt and Brian Boru, third and fourth respectively in the Irish equivalent.

AIDAN O’BRIEN may bypass next Sunday’s Prix du Jockey-Club and let all his Vodafone Derby entries take their chance at Epsom.