Manchester United's Alejandro Garnacho and Borussia Dortmund's Jamie Gittens are two players Chelsea are looking at in this January transfer window.
The wingers are among a number of options of interest to Chelsea.
Garnacho, however, is Napoli's first choice to replace Khvicha Kvaratskhelia, according to Sky in Italy.
The Georgia international is set to join Paris Saint-Germain this month and Napoli are scouring the market for a replacement.
Sky Sports News understands United do not want to sell Garnacho and it is thought it would take a huge offer for them to even consider it