 He made his debut for the first team on 14 October 2007 in a league game against Bàsquet Manresa, and debuted on the European stage on 19 February 2008 in a match for the 2007–08 ULEB Cup, against Panionios B.C..In the following season, Fonseca was loaned out to gain experience, joining CB Peñas Huesca on 30 July 2008.He stayed there briefly, being release on 3 February 2009, to complete the season at CB Almàssera.