During the following season, in January 2008, Luisão was involved in an on-field argument with Greek teammate Kostas Katsouranis during a league match against Vitória de Setúbal. The argument arose after Katsouranis' misplaced pass, which forced the Brazilian to commit a foul in order to stop play. After receiving a yellow card for the foul, Luisão criticized Katsouranis, who responded in a similar manner. The two players were on the point of breaking into violence before teammates separated them. Both players were then quickly substituted and issued suspensions by the club, with the two later apologizing to each other. Again during the season, Luisão dealt with some injuries and inconsistent play and also addressed rumours of another possible move from Benfica.