Arsenal have reportedly sent talent scouts to view Cengiz Under in action for Roma against Inter, but the asking price is €50m.
It kicks off at 19.30 GMT, click here for the line-ups and LIVEBLOG.
The 21-year-old Turkey international can play in a variety of forward roles on the right, left or behind the centre-forward.
Under contract until June 2022, he cost €13.4m plus bonuses from Basaksehir in July 2017.
He has contributed 11 goals and seven assists in 48 competitive games for the Giallorossi.