Chelsea manager Frank Lampard is hoping Antonio Rudiger’s injury set back is not severe and will make it for their Champions League opening match on Tuesday.
The German made his anticipated return after a long lay-off on Saturday in their 5-2 win over Wolves but was substituted after 45 minutes and replaced by Kurt Zouma.
The Blues will welcome Valencia at the Bridge on Tuesday in the opening match, and the Englishman hopes to have the German back.
"He’s had a groin issue which he bothered as he came off the pitch near me actually, Lampard said. "He slipped on some metal which made him adjust himself so he has bothered his groin.
"Hopefully not too bad. It was more than a precaution because he did feel some pain so we’ll assess it over the next couple of days," Lampard said.
"It was just before half-time, where the ball was bouncing and he came off the pitch, unfortunately, he bothered it then.
"[He's] hopefully OK for Champions League."
Chelsea missed a host of first-team players in the win but looked comfortable all the same with Lampard tweaking his formation at Molineux.
N’Golo Kante, Emerson Palmieri, and Pedro Rodriguez all sat out of the match, but might be ready for the Champions League clash.