Manchester United are said to be among a number of sides keeping tabs on young Croatian attacker Nikola Moro.
The 19-year-old has drawn interest following his performances for Dinamo Zagreb and has been dubbed "the new Luka Modric".
According to Record in Portugal, United are one of several top European sides to have scouted Moro in recent months and are considering making an approach for him this summer.
The newspaper also claims that Zagreb have already turned down an offer of £12.5m from Ukrainian outfit Shakhtar Donetsk and are "determined" to keep hold of the youngster, but Jose Mourinho's side are expected to have the upper hand due to their superior financial clout.
Moro has been part of the Zagreb setup since the age of 11 and has also made four appearances for the Croatia Under-21s side.
