Tiz Chrome breaks down, put down at Churchill

A 3-year-old horse training for a final Kentucky Derby prep racehas been euthanized after collapsing during a workout at ChurchillDowns.

Tiz Chromes trainer Bob Baffert said the colt suffered a fatalfracture of the left front sesamoid during a workout Sundaymorning. Tiz Chrome was scheduled to run in the Derby Trial onSaturday.

Baffert said the colt was working with another horse and the twowere heading into the far turn on the one-mile track when theinjury occurred and Tiz Chrome fell, sending exercise rider DanaBarnes tumbling to the track surface.

Barnes was not injured.

Owned by the Lanni Family Trust, Mercedes Stable LLC and BernardSchiappa, Tiz Chrome earned $67,850 with two wins in threestarts.