Sovereignty was undoubtedly the biggest name to emerge from this year’s Triple Crown races. The Into Mischief colt had won his last four races, and the $7 million Breeders’ Cup Classic looked like it would be his fifth. The dazzling winner of the 2025 Kentucky Derby and Belmont Stakes touched down at Del Mar as the heavy 6-5 morning-line favorite, even poised to claim Horse of the Year honors. But on October 29, word came that the nation’s top three-year-old wouldn’t be joining the fray. Let’s dive into what happened.

Why is Sovereignty out of the Breeder’s Cup?

Trainer Bill Mott confirmed the shocking news Wednesday, ending days of speculation. The Hall of Famer shared the update on the Breeders’ Cup’s official X post , saying, “He spiked another fever even though he’d had some medi

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