Horse dies just days before he was scheduled to race at Breeders' Cup; Belmont Stakes winner scratched

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Practical Move, a 3-year-old thoroughbred who was set to run at this weekend's Breeders' Cup, died Tuesday at Santa Anita Park in Arcadia, California, after a morning gallop at the track. The horse is suspected to have suffered from a cardiac arrest.

Shortly after the incident, Arcangelo, who won the Belmont Stakes in June, was scratched from the $6 million classic.

Practical Move was previously set to run in the Kentucky Derby in May, but was scratched two days prior as he caught a fever.

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A general view during the Mile race on day two of the 2016 Breeders' Cup World Championships at Santa Anita Park in Arcadia, California, on Nov. 5, 2016. (Harry How/Getty Images)

Practical Move had five wins in eight career starts and earnings of $923,200. The colt won the San Felipe and Santa Anita Derby earlier this year, then took six months off and returned to win a race on Oct. 6 at Santa Anita.

PETA, the People for Ethical Treatment of Animals, released a statement regarding Practical Move's death:

A general view of the field at the start of the Breeders' Cup Mile on day two of the 2017 Breeders' Cup World Championship at Del Mar Race Track in Del Mar, California, on Nov. 4, 2017. (Sean M. Haffey/Getty Images)

"With the Breeders’ Cup in just a few days, PETA is deeply disturbed by the carnage in California horse racing — just this morning, Practical Move, who was slated to race this weekend, collapsed and died, and at least 71 horses have died so far this year. While California has led the way in passing measures to protect horses, it has stopped far short of all that is needed, beginning