Marega left Porto last summer for Al Hilal and has since helped the Saudis to win the Asian Champions League.
Foot Mercato says is form has brought him to the attention of European clubs, including Premier League pair Newcastle and Everton.
However, it will take something exceptional to tempt Marega away, who has a deal to 2024.
The centre-forward is also preparing with Al Hilal for the looming Club World Cup tournament.
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