 He made his professional debut for them on 22 May 1994, in a Primeira Liga match against Vitória de Guimarães, and added two more appearances in the remainder of the season.At 21-years, Abreu left Estoril and joined Atlético CP on the third tier, a move he would follow in the following two seasons, first signing with Machico and then with Portimonense.On 13 August 1999, Abreu joined Benfica B.