I've been rooting against Bobby Cox for a long time, since 1990, at least. Rooting for your favorite team means your are rooting against everybody else. Rooting for the Cardinals means rooting against the Braves and Cox.
But with St. Louis all but out of it, it would be all right with me if the Braves were World Champs in Cox's last season at the helm.
You could read about what a classy guy he is, right here.