There's a doubt over who will ride Aussie star Ortensia in her final UK run in the Sprint Cup 6f at Haydock Park on Saturday. William Buick, who has won twice on her, may not be available. The Sprint Cup is run the same day as the Grp 1 Irish Champion Stakes (10f) at Leopardstown - and Buick is committed to ride the well-fancied Nathaniel for trainer John Gosden. Paul Messara's stable rep Leah Gavranich, who looks after Ortensia in the UK, says Buick's understanding of Ortensia is considered cr

There's a doubt over who will ride Aussie star Ortensia in her final UK run in the Sprint Cup 6f at Haydock Park on Saturday. William Buick, who has won twice on her, may not be available. The Sprint Cup is run the same day as the Grp 1 Irish Champion Stakes (10f) at Leopardstown - and Buick is committed to ride the well-fancied Nathaniel for trainer John Gosden. Paul Messara's stable rep Leah Gavranich, who looks after Ortensia in the UK, says Buick's understanding of Ortensia is considered crucial to her performing well at Haydock.