Fabio Carvalho has certainly caught the eye this season.
The 19-year-old has contributed seven goals and four assists in 18 Championship appearances, helping Marco Silva's side to top spot in the second tier.
Out of contract in the summer, the Lisbon-born midfielder has placed a number of top sides on red-alert over a potential deal.
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Liverpool are one of the teams chasing a move for the talented teenager and the ECHO understands a £5million bid has been tabled.
Latest data released by CIES has made clear just why the Reds are targeting a transfer, with Carvalho's contributions this campaign ranking among the best for his age category.
Ranked third for midfielders under the age of 20 and performing outside of the top five European leagues, the Fulham academy graduate boasts a InStat Index of 269.1, bettered only by Arsen Zakharyan (277.3) of Dynamo Moscow and Ryan Gravenberch (294.8) of Ajax.
Gravenberch has also emerged as a reported target for Liverpool. The Dutchman is out of contract next summer and is a regular starter for Erik ten Hag's side.
This data takes into consideration how productive players are on the pitch and the general level of the matches in which they participated.
An automatic algorithm judges players' individual contribution to the team’s overall success, the significance of their actions, their opponent’s level and the quality of the championship they play in.
The InStat rating is generated automatically and its value is influenced by between 12 and 14 factors, which differ depending on the position of the player.
Mohamed Salah currently leads the way in the overall Performance Index standings, with an InStat score of 344.
