O'Brien thrilled with Mastercraftsman after Ascot win
Aidan O'Brien likened Mastercraftsman to Giant's Causeway as the devilishly tough colt wrestled the St James's Palace Stakes from the clutches of Delegator.
Giant's Causeway provided O'Brien with the first of six victories in the three-year-old Royal Ascot showpiece back in 2000 and his nickname of the 'Iron Horse' was not undeserved.