Immobile scored one and set up another against his former team.
He said, “I always said that I arrived in Dortmund at the wrong time of my career and of the team's generational shift. I don't want to say anything against critics, as I pay close attention to everything. I know when I deserve praise or criticism.
“I missed a goal, I will miss more, but I hope to score many more than I miss for Lazio and the Nazionale."
Immobile also remarked: "We were up against a strong side and a very tough opponent, but we needed a match like this after Saturday to really get us on track and prove we could have our say this season too.
“If we step on to the field with the right determination and focus, then we can beat even a team like Borussia Dortmund. It's a balanced group, as Brugge beat Zenit, so we'll see what happens."