Superstar mare Magical has been retired with immediate after a high temperature ruled her out of a final hurrah at the Breeders' Cup on Saturday.
Aidan O'Brien's four-year-old was one of the leading fancies for the Filly & Mare Turf at Santa Anita, but she will bow out having won four Group 1s and amassed over £3 million in prize-money in a stunningly consistent career.
Trainer O'Brien told the Racing Post: "Magical spiked a slight temperature this morning so she hasn't travelled to America. She worked this morning and we were delighted with her but we take their temperatures every day.
"She was due to leave at 9.30 and this happened at around 9.15, so our vet John Halley advised that she shouldn't travel.
"She has been an unbelievable mare. She was so game, so consistent and so classy. It has been a pleasure and a privilege to have anything to do with her."
The daughter of Galileo and long-time rival of Enable will now begin a career as a broodmare with leading sire No Nay Never set to cover her.
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