 Complete the following phrase:  Ferreira would go on to represent F.C. Paços de Ferreira  also in his countrys second level  where he was a key player, spending the following three-and-a-half seasons at Primeira Liga club Vitória de Setúbal. In January 2003 he joined FC Porto, being part of the José Mourinho-led squad that defeated Celtic in the 200203 UEFA Cup 