Another O'Brien runner over in America on Saturday is the smart Group one performer Armory, who runs in the Mr D. Stakes over 1m2f.
As a two year old the son of Galileo landed three races on the bounce including the Group Two Futurity Stakes but when put into Group One company has struggled.
Last term the colt finished fourth in the Irish 2000 Guineas on debut and was fourth again when stepped up in trip for the Tattersalls Gold Cup.
He got back to winning ways at The Curragh over 1m2f in a Group Three event next time out, and over the same course and distance out ran his odds of 66/1 in the Irish Champion Stakes to finish third behind Ghaiyyath and Magical.
The colt was last seen in 2020 being sent down under for the Group One Cox Plate where he was narrowly second to ex stablemate Sir Dragonet.
He returned this term at Chester in the Group Two Huxley Stakes where he dominated late on to see off Sangarius with ease.
Armory was then sent to Royal Ascot for the Group One Prince Of Wales's Stakes where he finished only 1 1/2 lengths behind stablemate Love back in third
Looking to build on that last time out he dropped down in grade for the City Of York Stakes, but did not run up to scratch and only beat one home.
He does need to bounce back slightly but Armory is a very progressive animal that has proved he can be versatile on quick and slow ground and now coming over to America he might find this field easier to beat than he has in Europe this term.