Trainer Todd Pletcher announced that Madefromlucky will not run in Saturday's Kentucky Derby.

The defection opened the 20th spot in the field for long shot Keen Ice, whom three-time Derby winner Kent Desormeaux will ride.

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Pletcher was displeased with Madefromlucky's workout Friday at Churchill Downs, as was rider John Velazquez.

Pletcher is expected to enter four horses -- Carpe Diem, Materiality, Stanford and Itsaknockout -- at Wednesday's Derby draw.