[3] As a three-year-old he won his first race in 2002 at Newmarket, following up with four straight wins at the Curragh, Ascot, Goodwood and Longchamp.

[5] O'Brien also bred him in partnership with his wife Anne-Marie and father-in-law Joe Crowley.

Over the course of two seasons, Rock of Gibraltar won seven consecutive Group 1 wins before finishing second to Domedriver in the 2002 Breeders' Cup Mile.

[7] For much of his racing career, Rock of Gibraltar ran in the colours of Manchester United manager Sir Alex Ferguson, who was named as a part-owner along with Susan Magnier, wife of Coolmore owner John Magnier.

Upon Rock of Gibraltar's retirement, Ferguson and John Magnier were involved in a dispute over the exact nature of the ownership of the horse.