Arsenal have finished in the top four every year since Wenger arrived at the club in 1996.
But the Gunners now face a battle to finish in the Champions League places following Saturday’s 3-1 defeat to Chelsea.
Sol Campbell doesn't think Arsene Wenger can guide Arsenal to fourth spot this season
Manchester United, who haven’t lost in the league since October, are now only two points behind Arsenal in the table.
And Gunners legend Campbell fears his old side may miss out to Manchester United this year.
"Top four, if they keep going like that, is going to be extremely hard to get because you've got Man United who are motoring now," Campbell told Sky Sports.
Arsenal player ratings against Chelsea
Sat, February 4, 2017
Express Sport brings you Arsenal's player ratings from their 3-1 defeat to Chelsea
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Sol Campbell believes Manchester United could pip Arsenal to fourth spot
"Maybe they might just scrape it.
“Man United might run out of games.
“The might get that fourth spot, Arsenal."