Irish Champion Stakes
Kieren Fallon replaced Spencer as Ballydoyle's stable jockey. On the first classic weekend of the 2005 flat season the newly formed partnership of Aidan O'Brien and Kieren Fallon took home both the 2,000 Guineas (Footstepsinthesand) and the 1,000 Guineas (Virginia Waters). More major successes followed with Oratorio (Eclipse Stakes, Irish Champion Stakes), Scorpion (Grand Prix de Paris, St. Leger) and juveniles George Washington, Rumplestiltskin and Horatio Nelson.