The Portugal winger has completed turned his United career around in the past nine months.
When the transfer window opened last January, it would have surprised no-one if the former Sporting Lisbon star had been offloaded after an unconvincing two-and-a-half years at Old Trafford since he arrived in a £17million deal.
Instead, Nani found the performances that attracted Sir Alex Ferguson's attention in the first place.
He scored a superb goal at Bolton on Sunday, when he ran from inside his own half before drilling a precise shot beyond Jussi Jaaskelainen, and will be one of the key men at the Mestalla stadium tomorrow as United look to record only their second win in 19 away games against Spanish opposition.
"I feel more confident now than at any stage in my career," Nani, 23, said.
"I know I am at a very good moment in my career and my performances have been at a high level.
"I am doing well and am playing at an important level for my team.
"That is making me confident in every game and I hope to continue that."