The fixture between Leicester City and Derby County is a football rivalry in the East Midlands.
Although both clubs have a strong mutual dislike of each other, they both consider Nottingham Forest their main rivals.
[1] Historically, Derby has a better record against Leicester beating them 46 times in 108 meetings.
After a EFL Cup game between the two sides in 1985 which saw Leicester eliminated at the hands of Derby, there was a widespread "riot".
In May 2010, Underwood was then banned from attending football matches for three years for his role in that incident, among other separate clashes involving supporters of Everton, Nottingham Forest and Sheffield Wednesday.