Medina Spirit's first drug sample tested positive for betamethasone after he won last Saturday's Kentucky Derby, putting him on the verge of disqualification, fueling critics of trainer Bob Baffert and throwing the integrity of this year's Triple Crown into competitive and legal turmoil. Baffert, who faced formal medication scrutiny the year after Justify won the 2018 Triple Crown, confirmed the test Sunday morning at his Churchill Downs barn in the company of his Kentucky lawyer, Craig Robertson. Baffert denied ever giving Medina Spirit betamethasone, which is an anti-inflammatory medication. "It's a complete injustice, and I'm going to fight it tooth and nail," he said