The Daily Star reports that United are favourites to sign the 17-year-old, despite interest from Real Madrid, Udinese and Sao Paulo.
Gomes was on trial with the Premier League champions last summer. United still hold first refusal over Gomes.
Reports claim United boss David Moyes is likely to step up his efforts to sign Gomes admid interest from Real Madrid, Udinese and Sao Paulo.
