West Ham are said to want England's Ross Barkley, while Atletico Madrid still fancy Edinson Cavani - but not at PSG's asking price.
Chelsea are into the fourth round of the FA Cup after beating Nottingham Forest 2-0 at home on Sunday.
After missing the defeat to West Ham, Chelsea striker Tammy Abraham could return against Aston Villa on Wednesday.
Defeat at home to Valencia in the first round of Champions League group games was a learning experience for Frank Lampard and Chelsea.
There was a welcome return to Chelsea training for Antonio Rudiger and Ross Barkley on Tuesday, but Callum Hudson-Odoi was absent.
England pair Ross Barkley and Tom Heaton will miss the upcoming Euro 2020 qualifiers.
Liverpool host Manchester City as Leicester City face Arsenal, but Frank Lampard and Chelsea are focused on winning their own fixture.
After it was reported Antonio Rudiger had declared himself fit, Chelsea boss Frank Lampard insisted that was not the case.
Ross Barkley, N'Golo Kante and Antonio Rudiger have not travelled with Chelsea for Wednesday's trip to Ajax.
Ross Barkley went off in the first half of Chelsea's win over Newcastle United, leaving Frank Lampard a little concerned.