In 2005–06, Dutch coach Co Adriaanse was picked to reorganise the team and return the club to the top of Portuguese football. His tactical discipline and the contribution of new signings Lucho González and Lisandro López led the club to not only retake the Primeira Liga title but also secure its fifth domestic double, after beating holders Vitória de Setúbal in the Taça de Portugal final. Adriaanse's domestic success did not transfer to the Champions League, as Porto finished in the bottom of its group.