Manchester United will not be able to bring Nani back to Old Trafford in January, with an official source at Sporting Lisbon confirming to Portuguese newspaper O Jogo that the winger will remain at the Estádio José Alvalade until the end of the season.
There has been speculation that United boss Louis van Gaal is keen to bring the Portugal international back to Manchester in the New Year, but Sporting are convinced that the Red Devils are powerless to make this happen.
The Portuguese club have been assured that Nani will stay with them until the summer of 2015 and are not concerned about the possibility of Manchester United attempting to bend the rules in their favour.
Nani, who was linked with a shock move to Arsenal in the summer, moved back to Sporting on a season-long loan as part of the deal to take Argentina international Marcos Rojo in the opposite direction.
The majority of Manchester United supporters were happy to see Nani, 27, leave the club after a disappointing couple of years at Old Trafford. But the winger has been rejuvenated at Sporting - and has caught the eye by scoring six goals in his first 13 appearances back at the club.
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United still paying Nani's wages
The Red Devils are still paying Nani’s £120,000-a-week wages in full, but the current agreement has benefitted United in the sense that the player has rediscovered his form and confidence.
But whether he will be capable of reproducing his current form when he returns to Old Trafford remains to be seen.