Manchester United are understood to be sending scouts to watch Alexis Sanchez play for Udinese in the Uefa Cup on Thursday night.
The exciting Chile winger was reckoned to be a top target for United last summer at the height of the talk regarding Cristiano Ronaldo and a move to Real Madrid.
Since then, he has continued to impress for both club and country and is popular with supporters because of his dribbling skills.
The match with Werder Bremen gives United the perfect opportunity to assess the 20-year-old in action against top-class opposition and representatives are expected to be present in Germany.
Sanchez, who is being valued in the £12 million class, shone for Chile in their recent World Cup qualifying win against Peru.
If Udinese get through, they could be facing Manchester City in the last four of the competition, providing Mark Hughes's men get past Hamburg.