In the "Deflategate" Case Involving Tom Brady, National Football League

In the "deflategate" case involving Tom Brady, National Football League Management Council v. Brady, the court ruled that the union negotiated arbitration award

A) Was enforceable because the arbitration proceeding and award met the minimum legal standards.
B) Was not enforceable because a collective bargaining agreement cannot require arbitration for its members.
C) Was enforceable because the court determined it was exactly what it would have done given the same set of facts.
D) Was not enforceable because arbitrations are never binding.