Chelsea could be about to receive an offer for one of their players. This month, Chelsea have signed Tosin Adarabioyo from Fulham and agreed a deal with Palmeiras for Estevao Willian. However, there now looks like there could be some exits at Stamford Bridge. Ian Maatsen is already heading to the exit door. According to transfer expert Fabrizio Romano, the full-back has agreed to join Aston Villa this summer and has now done is medical. And it looks like another Chelsea youngster could be following him out of the club. Chelsea could sell to another Premier League rivalMaatsen may not be the on…