And it looked as though his contribution could prove decisive until the hosts struck twice in four minutes at a raucous Molineux. Diogo Jota then netted the home victor four minutes later.
Eden Hazard, without a goal in two months, saw a pair of half-chances come and go in the opening seven minutes but the Blues did not have to wait long for a breakthrough.
Standing at 6ft 3in tall, the powerful central midfielder can boss a game from the middle of the park and he could be an ideal partner for Ruben Neves.
Sarri believes Chelsea got complacent against Nuno Espirito Santo's men.
Liverpool to face Wolves in FA Cup third round
Posh drew 1-1 at home against a side who had been promoted to the top flight the season before and then lost the replay 2-0. Chelsea have discovered who they will face in the third round of the FA Cup as they begin their defence of the trophy.
Alvaro Morata should have equalised for Chelsea.
What does it mean?
There was talk earlier in the season of the Belgium superstar netting 40 goals in 2018-19.
Wolves are winless in their last six games in the Premier League to drop to 12th place in the English top flight. - Chelsea have lost consecutive away games against newly promoted sides for the first time since December 1999 (vs Watford and Sunderland).
The Chelsea goal on 18 minutes will be credited to Loftus-Cheek, whose shot was on target but heading comfortably into the gloves of Patricio before Conor Coady diverted it into the bottom corner with his head to gift the England midfielder a second in as many matches. The club has gone winless across its past six games, last garnering a winning result against Crystal Palace on October 6.