Chelsea manager, Thomas Tuchel, has shuffled his team after Saturday’s fortuitous 2-1 Premier League win against West Ham and there are some surprises in the line-up.
Striker Pierre-Emerick Aubameyang makes his debut after signing from Barcelona on deadline day.
The ex-Arsenal captain will play in a mask after suffering a jaw injury during a violent robbery at his home last week.
Meanwhile, number one Edouard Mendy has been dropped to the bench after a shaky start to the season, with Kepa Arrizabalaga coming in.
Cesar Azpilicueta, Ben Chilwell, Mason Mount and Kai Havertz all start, with Thiago Silva, Marc Cucurella, Ruben Loftus-Cheek and Christian Pulisic dropping out.
Big money signing Wesley Fofana makes his first ever appearance in the Champions League.
Chelsea XI: Arrizabalaga, James, Fofana, Azpilicueta, Koulibaly, Chilwell, Kovacic, Mount, Havertz, Sterling, Aubameyang.