article_snippet.sent: hopes Julen Lopetegui side can cause an upset.
article_snippet.sent: While the Germans have suffered injuries, Porto have been boosted by the return of Jackson Martinez .
article_snippet.sent: Porto's hopes have been boosted by the return of leading scorer Jackson Martinez to the 20-man squad for the first leg at  Dragao.
highlights_snippet.sent: Julen Lopetegui has been boosted by the return of Jackson Martinez .