Wilfried Zaha, who has been in blistering form for Crystal Palace this season, was watched by Monaco sporting director Michael Emenalo during the Eagles' recent win over Huddersfield as the French giants look to launch a January assault on the Englishman to replace Thomas Lemar.
According to London News Online, former Chelsea official Emenalo was present at the John Smith's stadium and witnessed Zaha score the only goal in the win over Huddersfield.
Zaha has been the target of several top clubs including both Chelsea and Tottenham this summer, but showed his loyalty to Palace by signing a new five-year deal with the club in August.