Kentucky Derby: Bob Baffert's winner Medina Spirit fails drugs test

Kentucky Derby winner Medina Spirit, who provided trainer Bob Baffert with a record seventh win in the race, has failed a drugs test.

Kentucky Derby: Bob Baffert's winner Medina Spirit fails drugs test
Kentucky Derby winner Medina Spirit, who provided trainer Bob Baffert with a record seventh win in the race, has failed a drugs test.