The Gunners picked up a 3-2 win at Stamford Bridge in the first leg last month and Chelsea have the task of heading to North London to grab a result by at least 2 goals against one of the best team’s in Europe.
The Blues head into the game with more than double the injuries than Arsenal who are missing just Max Dowman, Bukayo Saka and Mikel Merino.
Chelsea have no players suspended for this game, but Mykhaylo Mudryk is still serving a doping ban.
In defense, Chelsea are missing Levi Colwill (Knee), Tosin Adarabioyo (thigh) and goalkeeper Filip Jorgensen (other) as manager Liam Rosenior looks towards Trevor Chalobah and Wesley Fofana to fill the gaps.
In midfield, Rosenior will be withoutDario Essugo (other), Romeo Lavia (thigh) and Jamie Gittens (thigh) who are all sidelined for an unknown period.
Finally, Estevao has been out due to personal reasons which Rosenior spoke on this week.
“I don't know. He's going through a really difficult time for personal reasons, and he's on compassionate leave.
“I won't put any pressure on him. It has to be right for him and he has to feel he's in the right place to perform for this team.”
Chelsea’s most recent victory saw them come from 2-0 down at half-time to beat West Ham United 3-2 at Stamford Bridge. They are no stranger to comebacks and another against Arsenal may be on its way.