Kentucky Derby winner Big Brown won't race again

Kentucky Derby winner Big Brown has been retired from racing after injuring his foot Monday while preparing for the Breeders' Cup Classic.

The career-ending injury, although not life-threatening, means the top 3-year-old colt won't face Horse of the Year Curlin in the much-anticipated matchup at Santa Anita on Oct. 25.

The race probably would have been Big Brown's last. He finishes his career with $3,614,500 in earnings.

Big Brown injured his right front foot in a workout Monday morning at Aqueduct in New York.

"He screwed up his foot; he's going to miss" the Breeders' Cup, a disheartened Rick Dutrow Jr., Big Brown's trainer, said.

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