The Champions League is an accurate barometer of Nani's emergence as a force for United.
This season, the 22-year-old has a 100 per cent appearance record in the knockout rounds.
The Portuguese international was a starting cert in Sir Alex Ferguson's XI for the ties against AC Milan.
He followed that up with a place in Fergie's line-up in Germany last Tuesday against Bayern Munich.
Having missed out on a place against Chelsea on Saturday but impressing as a sub when he came on, he will almost certainly start against the Germans tomorrow night as the Reds bid to overturn a 2-1 first leg deficit book their place in the last four.
Last season as the European campaign reached the key knockout stages, Nani was little more than a fringe player.
Of the seven Champions League matches from February 2009 onwards - against Inter Milan, Porto, Arsenal and Barcelona - he didn't start a single game.
His only appearance in those matches was a 22-minute cameo as a sub for Dimitar Berbatov in Portugal against Porto. That pointer to his status in the Reds squad this season improved with the departure of Cristiano Ronaldo, but injury set him back.
Now Nani is a key figure in Fergie's plans, a fact rubber-stamped by his new four-year Old Trafford contract.
And now the winger is looking further ahead and has plans to become a member of football's world elite.
"I'm very pleased with how things have gone. When you are doing well you wake up every day for training feeling happy and confident and that's what has happened in the last few months, and I'm working hard every day to keep improving," said the winger.
"The first half of the season was frustrating. I didn't feel good during that time because I had a couple of injuries and wasn't playing a lot.
"But the manager and my team-mates helped me and I'm enjoying things now and want to stay here for many years.
"I feel I have changed a lot. I have a better understanding of a lot of things - opposition teams, the way the game is played over here, the ambitions we have and my quality is better on the pitch.
"The team have helped me a lot, particularly the experienced players and now I am a bit older I have more experience myself, which has given me confidence.
"I always thought things would come good for me. I'm confident in my ability, I had a chat with the manager, and he told me he believed in my quality and that I am an important part of the team. He gave me my chance and since then I have done well.
"I want to become one of the best players in the world and I will keep working hard to achieve that.
"I want to keep working hard to improve everything. I have many ambitions to do more and more for this great club and for myself. I hope to score more goals, provide more assists and help us win trophies. It's great to know the club have confidence in me and I am delighted to have signed for another four years," he said.
"I'm so happy here and really enjoying my life in Manchester and I want to keep doing my best for the team."
Reds bank on Nani - Manchester Evening News