Meca Medina and Majcen v Commission
Meca Medina and Majcen v Commission (2006) C-519/04 P was a landmark judgement in the European Court of Justice that established primacy of EU law over sports federations. The ruling concerned David Meca-Medina and Igor Majcen, long distance swimmers from Spain and Slovenia and their failed drugs test.
Source: Wikipedia — Meca Medina and Majcen v Commission (CC BY-SA 4.0)