The newspaper reports that the Viola have had a bid of just under £6million rejected by the Portuguese side.
The 18-year-old joined Benfica in July 2008 for just over £1.2million from River Plate.
The newspaper reports that the Viola have had a bid of just under £6million rejected by the Portuguese side.
The 18-year-old joined Benfica in July 2008 for just over £1.2million from River Plate.
