Aidan O’Brien: will be hoping Butterscotch can prove his worth at Newmarket. Photograph: Alan Crowhurst/Getty

Butterscotch might not be one of Aidan O’Brien’s juvenile stars, but she can show she is no slouch in the Shadwell Rockfel Stakes at Newmarket. The (...)

Harzand ridden by Pat Smullen (L) wins the Epsom Derby ahead of US Army Ranger and Idaho. Photo: Getty Images

The Curragh authorities are keeping their fingers firmly crossed that calendar vagaries don’t prevent Harzand taking top billing in Saturday’s Dubai D(...)

Joseph O’Brien on Order of St George romps home to win the Irish St Leger at the Curragh as part of the Longines Irish Champions Weekend. Photograph: Donall Farmer/Inpho

Aidan O’Brien and Coolmore Stud put a triple-Group 1 Curragh seal on a stunning ‘Irish Champions Weekend’ dividend for Irish racing’s dominant team. O(...)

Air Force Blue ridden by Joseph O’Brien on the way to winning the Goffs Vincent O`Brien National Stakes during day two of the Longines Irish Champions Weekend at Curragh Racecourse. Photograph: Brian Lawless/PA

Order Of St George rewarded connections for being switched from Doncaster by running away with the Palmerstown House Estate Irish St Leger at the C(...)

John Gosden: trainer is expected to run Gretchen in Saturday’s evening’s €400,000 classic. Photograph: Alan Crowhurst/Getty Images

The top of the Darley Irish Oaks betting is dominated by home-trained fillies but the shape of the cross-channel challenge will become clear at Tuesd(...)

Seamie Heffernan on Diamondsandrubies (white hat) wins the Pretty Polly Stakes  from Legatissimo and  Ryan Moore at the Curragh. Photograph: Lorraine O’Sullivan/Inpho

Diamondsandrubies denied Legatissimo in a driving finish to the Sea The Stars Pretty Polly Stakes at the Curragh. The Aidan O’Brien-trained filly made(...)

Aidan O’Brien:  trainer’s dual-Guineas winner Gleneagles is a red-hot favourite for Tuesday’s St James’s Palace Stakes although one of his five opponents will be the French 2,000 Guineas winner, Make Believe. Photograph: Alan Crowhurst/Getty Images

The remarkable Sole Power will attempt to make history by securing a King’s Stand Stakes hat-trick on day one of Royal Ascot and success could encour(...)