N'Golo Kante will miss Chelsea's trip to Wolves on Saturday and remains a doubt for Games from Liverpool and Valencia Weekly.
Kante missed of France's fixtures during the international break with a foot injury and a return against Wolves is"too soon", manager Frank Lampard supported on Friday.
Following Sunday chelsea play with Valencia in their opening Champions League game on Wednesday, prior to hosting Liverpool.
"I do not wish to jump the gun since we are waiting for advancement to fill that last step for him where we need him to be around the pitch ," Lampard said. "But that will be in a week or so."
Mateo Kovacic (Achilles) and Pedro (hamstring) are all fit to play against pilots, while Antonio Rudiger is going to soon be available after recovering from a knee injury which finished last year prematurely for the protector.
Chelsea have conceded nine goals in their four Premier League games this year, with Norwich having a record.
"It's an option for me personally, but he will have a significant role," said Lampard, if asked if Rudiger goes directly into Chelsea's defence. "We've missed him we have with a few more front-line players.
"I do not want a young team for the sake of it. He could be influential. He's prepared to undertake those functions."
Lampard said that he was"pleased" to watch Mason Mount create his England debut during the global break, but put strain onto the 20-year-old to keep up performances.
"This is where the evaluation ramps up," said former England and Chelsea midfielder Lampard.
21, tammy Abraham , also obtained a warning not to let his spot is seized by rivals at Chelsea's starting line-up - following four goals.
"I need more, he needs more, they want more - and they will have to," said Lampard." [Olivier] Giroud, [Michy] Batshuayi - they want that place so they all must be on their feet."
Read more: http://www.neiwaiqiang.com/11562/