Ahead of that tie, a 7:30pm kick-off, LCFC.com has taken a look at some of the numbers...
Last league encounter
Blackburn Rovers 1 (Kilgallon) Leicester City 1 (Vardy)
Championship
22/03/2014
Last FA Cup encounter
Blackburn Rovers 1 (Dickov (pen)) Leicester City 0
Quarter-finals
13/03/2005
Last League Cup encounter
Leicester City 1 (Lennon) Blackburn Rovers 0
Fifth round
02/12/1998
The last time
Last Leicester City hat-trick: Arthur Rowley | 20/10/1956 | Second Division | Filbert Street
Last Blackburn Rovers hat-trick: Chris Sutton | 28/02/1998 | Premier League | Ewood Park
Last Leicester City penalty scored: David Nugent | 17/09/2013 | Championship | King Power Stadium
Last Blackburn Rovers penalty scored: Jordan Rhodes | 17/09/2013 | Championship | King Power Stadium
Last Leicester City own goal: Nikos Dabizas | 17/04/2004 | Premier League | Ewood Park
Last Blackburn Rovers own goal: None
Last Leicester City debutant: Peter Eccles | 08/04/1989 | Second Division | Ewood Park
Last Blackburn Rovers debutant: Edinho Junior Amaral | 25/08/2012 | Championship | Ewood Park
Last Leicester City player sent off: Mike Newell | 19/03/1988 | Second Division | Ewood Park
Last Blackburn Rovers player sent off: None
Last transfer to Leicester City: Callum Wright | 31/01/2018 | Undisclosed
Last transfer to Blackburn Rovers: George Hirst | 31/08/2022 | Loan
Played for both: Steve Agnew, Marcus Bent, Bruno Berner, Alan Birchenall, Nathan Blake, Alex Bruce, Mark Bunn, DJ Campbell, Greg Cunningham, John Curtis, Neil Danns, Callum Davidson, Nathan Delfouneso, Paul Dickov, Derek Dougan, Graham Fenton, Tim Flowers, Paul Gallagher, Keith Gillespie, Craig Hignett, George Hirst, Nils-Eric Johansson, Michael Keane, Tom Lawrence, Billy McKinlay, Ben Marshall, Mike Newell, Jimmy Quinn, Robbie Savage, Danny Simpson, Jay Spearing, David Speedie, Roy Stephenson, Bobby Svarc, Callum Wright, Yakubu.
Leading Leicester City goalscorer vs. Blackburn Rovers: Arthur Chandler & Arthur Rowley | 11
Leading Blackburn Rovers goalscorer vs. Leicester City: Andy McEvoy | 10