 After some great work from Deco, Dmitri Alenichev's shot was parried by Douglas and Derlei slotted the ball in to give Porto a 1–0 lead.It was his 11th goal of the competition.Porto's lead did not last long after the restart as Celtic equalised after 47 minutes when Larsson met Agathe's cross to direct a looping header in over the helpless Vítor Baía to get his tenth goal of the tournament and his 200th Celtic goal.