But the English teenager could cost up to £100 million, which is complicated in the new COVID-19 financial climate for football clubs.
The Manchester Evening News reports that Brooks is seen as a cut price alternative.
Brooks, who spent significant time at Manchester City as a youth, has not played this season due to an ankle injury.
But he is now fully fit and will be involved when the Premier League resumes.
United will monitor the 22-year-old's form and fitness and may make a move in the summer window.