As Arsenal prepare to take on Chelsea at the Emirates Stadium in what will be a significant London derby, they - and their manager - will very much hope to mark the occasion of Arsene Wenger's 20th anniversary at the club with a win.
20 years as manager of a Champions League club is no easy feat - particularly in today's managerial climate - and the Arsenal boss has achieved much and broken many records in his time in England.
One of his incredible records is that he has managed more Premier League games than every other current manager in England's top flight combined. And that includes Jose Mourinho, who has had two spells at the weekend's opponents Chelsea and is now at Manchester United.
That is a staggering 1,127 games. But, unfortunately for the Frenchman, the celebration of two important milestones in that run were spoiled. Both his 500th and 1000th games in charge resulted in defeats (1-0 and the infamous 6-0). And both were against Chelsea.
However, this may be as good a time as any to be facing the Blues. Despite an astonishing comeback against Leicester in the EFL Cup (coming back from 2-0 down to win 4-2 in extra time), Antonio Conte's side lost their last league match to Liverpool 2-1.
That defeat was significant, both for the poor manner of their display, and for the fact that Liverpool were their first really challenging opponents of the season.
Arsenal, meanwhile, are in a good run of form. They have lost just one of their last 15 league games, and have scored four goals in both of their last two games.
But Chelsea have an excellent record against the Gunners, and are unbeaten in their last nine league meetings.
Olivier Giroud is available for selection once again, but Aaron Ramsey is still out injured, joining long-term absentees Danny Welbeck, Per Mertesacker, and Carl Jenkinson on the sidelines.
Meanwhile, Chelsea are still without John Terry, as well as Kurt Zouma, so both centre-backs will miss the game.
For Wenger's sake, the team he starts on Saturday must give their all for one of the greatest managers both Arsenal and the Premier League have ever seen.
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