Joseph O’Brien: to ride Ruler of the World on Champions Day, Britain’s richest raceday.

Joseph O’Brien will replace Frankie Dettori on the 2013 Derby winner Ruler of the World in the Champion Stakes at Ascot tomorrow. Dettori had ridden t(...)

Goffs in Co Kildare will hold its premier auction of thoroughbred yearlings next Tuesday and Wednesday. Photograph: f stop press

There will be blue bloods to be found both in and out of the sales ring when Goffs holds its premier auction of thoroughbred yearlings at the bloodsto(...)

St Nicholas Abbey in a driving finish, ridden by Joseph O’Brien, surges to the finish line to win the Breeders’ Cup Turf during the 2011 Breeders’ Cup World Championships at Churchill Downs, Kentucky, in 2011. Photograph: Matthew Stockman/Getty Images

It is less than three years since Joseph O’Brien burst on to racing’s international stage with St Nicholas Abbey’s Breeders’ Cup success, the sound(...)

Australia ridden by Joseph O’Brien (right) stretches clear of the field to race to the finish line and take the Epsom Derby. Photograph: Stefan Wermuth/Reuters

Shock results are rare in the Dubai Duty Free Irish Derby and since the one horse bookmakers believe capable of giving Australia a race may not even (...)

Adelaide (Joseph O’Brien) wins the Airlie Stud Gallinule Stakes at the Curragh last weekend and may now tale his chance in the French Derby.

Aidan O’Brien is gearing up for the most intense Classic week of the year but could still squeeze in a couple of National Hunt winners at Ballinrobe (...)

A special moment for Johnny Murtagh as he wins his first Irish Derby at the Curragh on the John Oxx-trained Sinndar in 2000. photograph: john cogill/pa

One of the greatest riding careers in Irish racing history ended with Johnny Murtagh’s announcement yesterday that he i(...)

Tom Queally on multiple Group One winner Midday who has given birth to a foal sired by former superstar stablemate Frankel. Photograph: Chris Ison/PA

The legendary Vincent O’Brien once got cross with me. Even now, it’s something I’m proud as hell of: that for a brief moment, little old me burrowed a(...)

 Tom Queally riding Frankel  winning  The Qipco Champions Stakes at Ascot Photograph: Alan Crowhurst/Getty Images

Frankel’s first foal has been born to Group Three-winning mare Chrysanthemum. The six-year-old daughter of Danehill Dancer gave birth to a bay colt at(...)

St Nicholas Abbey, riden by Joseph O’Brien, surges to the finish line to win the Breeders’ Cup Turf during the 2011 Breeders’ Cup World Championships at Churchill Downs in Louisville, Kentucky. Photograph: Matthew Stockman/Getty Images

St Nicholas Abbey, the six-time Group One winner and Europe’s champion two-year-old of 2009, had to be put down yesterday due to a colic attack. It wa(...)

Winning racehorse trainer  Aidan O’Brien speaks to jockey Tony McCoy and owner JP McManus after claiming an opening race of the Leopardstown Christmas Festival with   Plinth. Photograph: James Crombie/Inpho

The racehorse training and bloodstock firm, operated by Aidan O’Brien, last year enjoyed a bumper year recording a profit of €1.269 million.O’Brien’s (...)