LOUISVILLE, KENTUCKY - MAY 01: Medina Spirit #8, ridden by jockey John Velazquez, (R) crosses the finish line to win the 147th running of the Kentucky Derby ahead of Mandaloun #7, ridden by Florent Geroux, and Hot Rod Charlie #9 ridden by Flavien Prat , and Essential Quality #14, ridden by Luis Saez, at Churchill Downs on May 01, 2021 in Louisville, Kentucky. (Photo by Tim Nwachukwu/Getty Images)
Tim Nwachukwu/Getty Images
LOUISVILLE, KENTUCKY - MAY 01: Medina Spirit #8, ridden by jockey John Velazquez, (R) crosses the finish line to win the 147th running of the Kentucky Derby ahead of Mandaloun #7, ridden by Florent Geroux, and Hot Rod Charlie #9 ridden by Flavien Prat , and Essential Quality #14, ridden by Luis Saez, at Churchill Downs on May 01, 2021 in Louisville, Kentucky. (Photo by Tim Nwachukwu/Getty Images)
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Kentucky Derby winner Medina Spirit can race in Saturday’s Preakness Stakes after the final two rounds of blood samples from the horse were deemed clear, officials said Friday.

All three of trainer Bob Baffert’s horses scheduled to run at the Pimlico Race Course in Baltimore, Maryland, passed their drug tests.

Medina Spirit and Concert Tour are set to race on Saturday in the second leg of horse racing’s Triple Crown.

Beautiful Gift ran in Friday’s Black-Eyed Susan Stakes but finished well back of the winner.

Kentucky Derby winner Medina Spirit underwent three rounds of blood-sample testing between May 6 and May 11 – and the first test showed the animal was clear of both prohibited and therapeutic substances, officials said Thursday.

Despite not attending this weekend’s races at the Pimlico Race Course in Baltimore, Maryland, Baffert has three horses set to participate – Medina Spirit and Concert Tour in the Preakness and Beautiful Gift in Friday’s Black Eyed Susan Stakes.

A lab is retesting a portion of that blood sample and results are expected to take at least four weeks.

Baffert agreed with race organizers for the horses to be subject to three rounds of out-of-competition blood sample testing. The first blood samples from Concert Tour and Beautiful Gift were also clear of abnormalities, according to a statement from the Maryland Jockey Club.

Kentucky Derby winner Medina Spirit is walked in the barn by assistant trainer Jimmy Barnes after arriving Monday, May 10, at Pimlico Race Course for the upcoming Preakness Stakes.
Rob Carr/Getty Images
Kentucky Derby winner Medina Spirit is walked in the barn by assistant trainer Jimmy Barnes after arriving Monday, May 10, at Pimlico Race Course for the upcoming Preakness Stakes.

“Consistent with the fair procedures and practices established by 1/ST RACING and (the Maryland Jockey Club), the additional tests and monitoring were conducted as part of the rigorous condition of entry agreement to ensure the fairness and integrity of the races with horses entered by Baffert,” the groups said in a statement.

Medina Spirit, who won the Kentucky Derby two weeks ago in a close finish, is the betting favorite in the 10-horse field.

On Sunday, Baffert revealed the horse had tested positive for elevated levels of betamethasone – an anti-inflammatory corticosteroid sometimes used to relieve joint pain in horses – putting the 3-year-old colt’s Derby win in jeopardy.

Should the positive blood sample be confirmed, second-place finisher Mandaloun will be crowned the winner. The two horses were separated by half a length at the finish line on May 1.

Baffert later provided a lengthy statement on what he said happened regarding Medina Spirit.

“Following the Santa Anita Derby, Medina Spirit developed dermatitis on his hind end. I had him checked out by my veterinarian who recommended the use of an anti-fungal ointment called Otomax. The veterinary recommendation was to apply this ointment daily to give the horse relief, help heal the dermatitis and prevent it from spreading,” part of Baffert’s statement reads.

“While we do not know definitively that this was the source of the alleged 21 picograms found in Medina Spirit’s post-race blood sample, and our investigation is continuing, I have been told by equine pharmacology experts that this could explain the test results. As such, I wanted to be forthright about this fact as soon as I learned of this information,” the statement adds.