05/14/2007 12:00AM

England: O'Brien 1-2-3 at Leopardstown

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Aidan O'Brien scored a coup at Leopardstown on Sunday when he saddled the first three home in the $168,000 Group 2 Derrinstown Stud Derby Trial.

The 8-1 Archipenko, a Kentucky-bred son of Kingmambo, defeated the 10-1 Yellowstone by three-quarters of a length under Michael Kinane with the odds-on choice, Macarthur, third, two lengths back. The winner was timed in 2:07.90 for the 1 1/4 miles on good to firm ground.