Sheffield Wednesday travel to Elland Road on Saturday, in what will be the 93rd meeting between the Yorkshire rivals.
The game has huge significance in the Championship play-off race, with both sides currently in the top six before Wednesday’s trip to West Yorkshire.
The Owls lost their four game winning run at home to Brentford on Tuesday night but they still lie in sixth place in the second tier, six points above seventh placed Fulham, who have one game in hand.
Leeds have also enjoyed a successful season so far and are in fifth, level on points with Wednesday.
The two clubs are separated by just goal difference going into Saturdays derby.
Wednesday have entirely sold out their away allocation and will be backed by more than 2000 fans from South Yorkshire, whilst Leeds have almost sold out Elland Road, with almost 35,000 fans expected.
The two clubs both have a lot of history, with four FA Cups and seven top flight titles between them.
Games between the two also have a history of drama, excitement and flashpoints.
Here, we take a look at some of the most dramatic clashes between the two Yorkshire rivals…
9 October 1920 – Wednesday win the first clash between the sides 2-0
16 October 1920 – Just a week later, Leeds get their revenge and beat Wednesday 2-0
9 November 1935 – Leeds thump Wednesday 7-2 in the old Division One
15 October 1955 – Wednesday beat Leeds 4-0 in the old Division Two
7 January 1961 – The first FA Cup meeting between the two sides finishes with a 2-0 win for Wednesday in the third round
12 December 1992 – Leeds win the first Premier League meeting between the the sides 3-1 at Elland Road
16 December 1995 – Wednesday win 3-0 at Hillsborough in the Premier League
30 April 2000 – Leeds win 3-0 at Hillsborough in what will prove to be the final Premier League meeting between the clubs. Wednesday are relegated that season and are yet to return to the top flight.
13 September 2005 – Wednesday beat Leeds 1-0 in South Yorkshire thanks to a Chris Eagles goal – the first meeting between the clubs in over five years.
19 October 2012 – The two clubs draw 1-1 at Hillsborough but the game is overshadowed by Leeds fan Aaron Cawley assaulting Wednesday keeper Chris Kirkland on the pitch. He was jailed for 16 weeks and given a six year banning order.
11 January 2014 – Wednesday thump Leeds 6-0 at Hillsborough – the biggest margin of victory between the sides.
20 August 2016 – Leeds win 2-0 at Wednesday in the most recent meeting between the two clubs.
25 February 2016 – The two clubs meet at Elland Road, both in the play-off play offs and separated by only one goal difference.