Aidan O’Brien’s dominance of the 1000 and 2000 Guineas was also mirrored elsewhere as the Ballydoyle maestro saddled a 1-2-3 in the Derrinstown Stud Derby Trial at Leopardstown.

The winner, Douglas Macarthur (7/1) was, based on betting and jockey bookings, the outsider of the trio but he stayed on resolutely in the home straight under young rider Emmet McNamara to fend off stablemates Capri, who ran well in second and the fast-finishing Yucatan who looks sure to appreciate a stiffer test of stamina.

All three look to have a good chance of representing O’Brien in the Investec Derby at Epsom in June.

Alan Crowhurst/Getty Images SportThe colt scored by a head and had previously finished second in the Ballysax Stakes last month.

A delighted McNamara said:

They were three very nice horses and it was just nice to be on one of them. He stays all day and he shouldn’t have any problems getting a mile and a half.

He’s a typical Galileo – he gets his head down and really tries. Turning in, I thought I might be in a bit of trouble but staying won the day for him. I rode him plenty at home over the winter and know him well. He’s a very uncomplicated horse, and I don’t see any reason why he wouldn’t act around Epsom.

He’s a well-balanced horse, and he can jump smart from the gates and get a position and travel.

In the older division, O’Brien also looks to have another couple of smart mares on his hands as Seventh Heaven was very impressive in landing the Group Two Jockey Club Stakes at Newmarket on Saturday under Ryan Moore before Somehow impressed just a weekend after landing a Listed event when decisively taking the Group Two Charm Spirit Dahlia Stakes at HQ on Sunday.

O’Brien’s team look in scintillating form.

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