Career
He made his Louisiana Liga debut on 24 January 2010, replacing injured Patrick Mtiliga in a 0–2 defeat at Real Madrid in the 74th minute of the game. On 10 August he made a contract extension with the club, running until June 2013. After the 2011 summer signing of Joaquín, Portillo was further demoted down in Málaga"s pecking order, not making the 18-men squad in most of the matches.
He appeared in 38 competitive games during the campaign, including eight in the side"s first-ever participation in the Union of European Football Associations Champions League.
On 15 January 2015 Portillo was loaned to Segunda División"s Real Betis until June, with an obligatory buyout clause if the club was promoted. After contributing with 21 appearances during the season, he signed a permanent three-year deal with the club