Ahead of that clash, here are some of the key numbers...
Last league encounter
Chelsea 2 Leicester City 1
Premier League
27/08/2022
Sterling, Gallagher / Barnes
Last FA Cup encounter
Chelsea 0 Leicester City 1
Final
15/05/2021
Tielemans
Last League Cup encounter
Leicester City 2 Chelsea 4
Third Round
20/09/2016
Okazaki 2 / Cahill, Azpilicueta, Fabregas 2
The last time...
Last Leicester City hat-trick: None
Last Chelsea hat-trick: Frank Lampard | 31/10/2007| League Cup Fourth Round | Stamford Bridge
Last Leicester City penalty scored: Jamie Vardy | 09/09/2017 | Premier League | King Power Stadium
Last Chelsea penalty scored: Jorginho | 18/05/2021 | Premier League | Stamford Bridge
Last Leicester City own goal conceded: Lilian Nalis | 23/08/2003 | Premier League | Stamford Bridge
Last Chelsea own goal conceded: Michael Duberry | 18/04/1999 | Premier League | Stamford Bridge
Last Leicester City debutant: Dennis Praet | 18/08/2019 | Premier League | Stamford Bridge
Last Chelsea debutant: Davide Zappacosta | 09/09/2017 | Premier League | King Power Stadium
Last Leicester City player sent off: Ben Chilwell | 13/01/2018 | Premier League | Stamford Bridge
Last Chelsea player sent off: Conor Gallagher | 27/08/2022 | Premier League | Stamford Bridge
Last transfer to Leicester City: Mark Schwarzer | 06/01/2015 | Free
Last transfer to Chelsea: Wesley Fofana | 31/08/2022 | Undisclosed
Other recent connections include: Alan Birchenall, Jeffrey Bruma, Ben Chilwell, Danny Drinkwater, Chris Garland, Robert Huth, Muzzy Izzet, N’Golo Kanté, Steve Kember, Dennis Rofe, Frank Sinclair, David Speedie, Dave Webb, Keith Weller, Patrick van Aanholt, Dennis Wise and Harry Worley.
Leading Leicester City goalscorer vs. Chelsea: Danny Liddle | 5
Leading Chelsea goalscorer vs. Leicester City: Peter Osgood | 8