Porto secured a 3 - 1 first leg victory over German champions zur Munich . Manager Julen ##za # Porto will be on top form to progress . Porto players appeared in high regard during training at the Allianz Arena .
Porto hold a 3-1 first leg advantage over German giants Bayern Munich . Manager Julen Lopetegui insists Porto must be on top form to progress . Porto players appeared in high spirits during training at the Allianz Arena .