Saints clash too soon for Giroud
Chelsea are set to be without Olivier Giroud for Wednesday's Premier League visit of Southampton because of an ankle injury.
Alvaro Morata could start as the main attacker and Eden Hazard is likely play in his preferred wide left role.
Cesc Fabregas and Ruben Loftus-Cheek are again doubtful with respective neck and back issues, while Pedro and Callum Hudson-Odoi both have hamstring problems.
Chelsea will be seeking to start 2019 with a victory after responding from the loss to Leicester in their last home match of 2018 with wins at Watford and Crystal Palace over Christmas.
The Blues sit five points clear of fifth-placed Arsenal and are 11 points adrift of unbeaten leaders Liverpool.
Looking ahead to the game, Willian said: "We have to get points. We want to stay there at the top. We have to win games."
Craig Smithson is a journalist with over two decades of experience at the keyboard. A life-long Middlesbrough fan, Craig has an in-depth knowledge of all football and is also a keen fan of boxing amongst other sports.