The deal was announced by Jean-Marc Furlan who is the new coach of the Alsatian club.
The 23-year-old Colombian striker was signed by Porto last January from FIFA Club World Champions Internacional of Brazil.
© Copyright PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms