Sky Sports understands a host of Europe's top guns are tracking Watford's teenage starlet Xane Zaineddine.
PSV Eindhoven retained their four-point lead in the Eredivisie despite free-scoring wins for their nearest pursuers.
Lionel Messi equalled Raul's record of 71 Champions League goals with a brace to earn Barcelona a 2-0 win over Ajax.
Ajax bounced back from their defeat in Barcelona by beating Go Ahead Eagles in the Dutch Eredivisie, while Willem II won at Heracles
Lionel Messi drew level in the race to become the Champions League's all-time top goalscorer as Barcelona beat Ajax 3-1.
PSV Eindhoven strengthened their hold at the top of the Eredivisie as they beat AZ Alkmaar and saw Ajax held by Twente.
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