Arsenal host Leeds United in the top flight for the first time since 2004 on Sunday, with just one point and one place separating the two sides in the Premier League table.
The visitors head to the Emirates Stadium sitting 10th in the table and with a game in hand over their hosts, who slipped into the bottom half as a result of their defeat at Aston Villa last weekend.
Match preview
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The last time Arsenal welcomed Leeds to North London for a top-flight meeting they were en route to an Invincible campaign, with Robert Pires scoring once and Thierry Henry netting four times as the Gunners hammered their visitors 5-0 in April 2004.
Those days will feel like a lifetime ago for Arsenal fans, who now sit behind Leeds heading into what is the definition of a mid-table battle.
The Gunners' recent resurgence has hit a brick wall with back-to-back defeats against Wolverhampton Wanderers and Aston Villa ending a run which had seen them pick up 17 of the 21 points on offer prior to that.
A 1-0 defeat at Villa Park last weekend means that only the league's bottom four have failed to score in more games than Arsenal's nine this season, and their form does not bode well heading into a potential season-defining period.
Six of Arsenal's next seven league games come against teams currently above them in the table, including Manchester City and Leicester City in their next two after Leeds, while they also have a Europa League double-header against Benfica coming up before the end of the month.
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Mikel Arteta will be keen to focus on the positives, though, and there are plenty of those when you isolate Arsenal's home form, with the Gunners unbeaten in their last five games across all competitions at the Emirates Stadium, stretching back to before Christmas.
Indeed, Arsenal are yet to even concede a goal on home turf this calendar year, and another clean sheet this weekend would see them keep five in a row at home for the first time in six years.
The Gunners are also unbeaten in their last 27 home league games against promoted teams stretching back a decade, so they will be confident of making a timely return to winning ways when Leeds come to town.
The visitors have not enjoyed their trips to the capital lately, losing 10 and winning none of their last 12 league games in London - their longest such run since a 19-game streak from 1933 to 1938.
This season alone Leeds have lost all three such games by an aggregate score of 10-2, but their form in the buildup to this game will raise belief that they can end their capital curse.
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Marcelo Bielsa's men have won three of their last four games to climb above Arsenal in the table with a game in hand, and another victory on Sunday would see them secure three successive top-flight away wins for the first time since August 2002.
Leeds are certainly capable of pouring more misery on Arsenal, yet they are equally capable of falling to another defeat and their inconsistency as far as results are concerned is laid out bare in the Premier League table.
The Whites have won 10 and lost 10 of their 22 outings so far, as well as scoring 38 goals and conceding as many at the other end - only four teams have scored more, yet only two teams have conceded more as well.
That pattern continues away from home where Leeds have both scored and conceded 22 goals - only Leicester and Man City have found the back of the net more often on the road, but only Southampton and West Bromwich Albion have let in more.
Whatever the result, Leeds are rarely dull, and the chance to move four points clear of Arsenal with a game in hand over the Gunners at this stage of the campaign would be warmly welcomed for any promoted club.
Arsenal Premier League form: DWWDLL
Arsenal form (all competitions): WLWDLL
Leeds United Premier League form: LLWWLW
Leeds United form (all competitions): LLWWLW
Team News
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Arsenal will be without Thomas Partey and Kieran Tierney for this match, although both players could return in time for next weekend's showdown with Manchester City.
Thomas is sidelined with the hamstring injury he picked up against Aston Villa last weekend, while Tierney is absent due to a leg injury.
There is better news in the shape of Bernd Leno and David Luiz, though, with both players available again after missing the Villa defeat through suspension.
Pierre-Emerick Aubameyang was left on the bench for that match but could return to the starting lineup here, while Martin Odegaard and Willian will also be hopeful of starting roles.
Bukayo Saka has become one of the first names on the teamsheet for Arteta this season, having created more chances and won more fouls than any other Arsenal player in the league this term, while only Alexandre Lacazette has directly contributed to more goals.
Saka will not be the only England hopeful on show in this match, with Patrick Bamford's run of two goals and three assists in his last three league games putting him in the conversation too.
Jack Harrison has also been in good form recently, netting three goals in his last four league games, and that should see him earn another start too.
Bielsa was coy on the fitness of Kalvin Phillips after he was taken off against Crystal Palace on Monday night, with the midfielder set to undergo a late fitness test ahead of this one.
Phillips could join a growing injury list for the visitors, with Diego Llorente, Rodrigo Moreno, Robin Koch, Pablo Hernandez, Ian Poveda-Ocampo, Adam Forshaw and Gaetano Berardi all still sidelined too.
Arsenal possible starting lineup:
Leno; Bellerin, Holding, Luiz, Cedric; Ceballos, Xhaka; Saka, Smith Rowe, Aubameyang; Lacazette
Leeds United possible starting lineup:
Meslier; Ayling, Struijk, Cooper, Alioski; Shackleton; Raphinha, Dallas, Klich, Harrison; Bamford
We say: Arsenal 2-1 Leeds United
This really is a game that could go either way. Leeds are a team that you would not be too surprised to see win or lose against pretty much any opponent in the league, while Arsenal go into this game off the back of successive defeats following a mini-resurgence.
Predicting Leeds games this season is difficult at the best of times, yet alone against an Arsenal side that have been almost as mercurial and volatile. We are just about backing a home win, but any result would not be particularly surprising in this one.
Top betting tip
Video prediction
Watch the Sports Mole Football Shorts prediction for this game below:
Barney Corkhill
Data Analysis
Our analysis of all available data, including recent performances and player stats up until an hour before kickoff, suggested the most likely outcome of this match was a Arsenal win with a probability of 48.1%. A win for Leeds United had a probability of 29.3% and a draw had a probability of 22.6%.
The most likely scoreline for an Arsenal win was 2-1 with a probability of 9.28%. The next most likely scorelines for that outcome were 1-0 (7.12%) and 2-0 (6.59%). The likeliest Leeds United win was 1-2 (7.04%), while for a drawn scoreline it was 1-1 (10%). The actual scoreline of 4-2 was predicted with a 1.9% likelihood. Our data analysis correctly predicted that Arsenal would win this match.
