Manchester United will go head-to-head with Manchester City in a bid to sign Joao Felix.
The Benfica wonderkid is in the Portugal squad for the Nations League finals and will play in the semi-final against Porto on Wednesday.
And both Premier League clubs will have representatives there to keep a close eye on him as they look to strengthen ahead of the new season, report the Mirror.
They also face competition from Real Madrid while Juventus are also interested in the 19-year-old.
Ole Gunnar Solskjaer is looking to rebuild his United squad after a disappointing season that saw them finish sixth in the Premier League.
Benfica want around £120m for the forward and Real Madrid previously had a bid of £80m rejected.
Felix scored 18 goals in 33 games for Benfica last season and is expected to make his senior Portugal debut this week.
