ɪn tˈuː θˈaʊzənd ˈeɪt zˈiəɹoʊ nˈaɪn, mˈæɾɪəs mˈuːvd tə mˈædɛɹəz sˈiː.dˈiː. nˈæʃənəl, bˌiːɪŋ ɐ ɹˈɛɡjʊlɚɹ ɪn ðɛɹ ɐtˈæk æz ðeɪ kwˈɔlᵻfˌaɪd fɚðə jˈuːfə jʊɹɹˈoʊpə lˈiːɡ.
In 2008–09, Mateus moved to Madeira's C.D. Nacional, being a regular in their attack as they qualified for the UEFA Europa League.