Bob Baffert, the legendary horse racing trainer who has won seven Kentucky Derbies during his career, was adamant Monday his latest winner Medina Spirit was not treated with a drug he tested positive for in a post-race sample.

Bob Baffert, the legendary horse racing trainer who has won seven Kentucky Derbies during his career, was adamant Monday his latest winner Medina Spirit was not treated with a drug he tested positive for in a post-race sample.