Arsenal have won just two of their last five Premier League games and have lost their last two against Watford and Chelsea respectively.
The 3-1 defeat to the league leaders has left them 12 points off the top of the table and clinging onto a top four spot.
Arsene Wenger's future at Arsenal has once again come under scrutiny this week with his contract set to expire in the summer.
Arsene Wenger has come under scrutiny this week over his future at Arsenal
Paul Merson believes Arsene Wenger's job is on the line in the game against Hull
And Merson believes defeat at home to relegation-threatened Hull on Saturday (12.30pm) could spell the end of Wenger's 20-year spell with Arsenal.
"This is typical Arsenal," Merson told Sky Sports.
"They will win 3-0, everything will be great again and Arsene Wenger will be the best manager in the world.
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Arsenal have won just two of their last five Premier League games
"The pressure is on, though, as if they lose this game I don't see how he can keep his job.
"It would be that toxic that I couldn't see him staying. Hull are doing very well but Arsenal tend to beat these teams."