"It was hard for the team and harder for me," said the Bulgarian on competing against his former club. "I am happy to have scored, we won and now we are in the second phase. That is what we wanted and we have achieved it.
"I try to do my best and score goals but it is not about me, it is about the whole squad. We are working hard and now we must think about the Premiership and Wigan at home on Sunday."
If Dimitar harboured any fears over what sort of reception he would get from the Leverkusen fans, they were proved groundless when the home support chanted his name and gave him a standing ovation when he was replaced by Mido in the closing stages.
"It was special, I was here for almost six years and it was very flattering to have the crowd chanting my name. That is why I didn't over-celebrate when I scored out of respect for the people here. I was happy to score though.
"It is hard for players when they come up against their former club and I am no exception. I am happy to have done my job and we've got the points."
Dimitar Berbatov quickly turned this thoughts to Wigan after scoring the goal that secured UEFA Cup victory over Bayer Leverkusen.The striker, recruited from the BayArena side during the close-season, marked his return with a simple finish ten minutes before the interval when he capitalised in front of goal afer Jorg Butt saved Aaron Lennon's initial effort.