Newcastle United are watching Real Betis sensation Assane Diao.

Mucho Deporte says Newcastle are among three Premier League clubs watching Diao, who has broken through this season at Betis.

Liverpool and Chelsea are also scouting the youngster, who has has six goals in 14 appearances this term.

Betis are pushing to secure Diao to a new deal, wary of the growing interest in their protégé.

Diao's current deal carries a €30m buyout clause.