The rest of the Preakness field is yet to be determined. The Preakness field is traditionally much smaller than the Derby. A year ago, only eight horses entered the starting gate at Pimlico.

Sovereignty ran away with the 151st Kentucky Derby on Saturday at a muddy Churchill Downs and it only took a few minutes of celebrating before the obvious question was asked of the thoroughbred's trainers: Will the horse run the Preakness Stakes next?

Sovereignty's Kentucky Derby victory in the muck at Churchill Downs sparked curiosity over whether the colt can build on his signature win over a possibly drier, faster surface on the Triple Crown trail.