Manchester United and Liverpool both won at the weekend
The Gunners need victory to leapfrog United back into fifth place.
Arsenal training ahead of Crystal Palace clash Sun, April 9, 2017
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It will have been a nightmare
And Carragher believes Wenger will have been watching the other games with plenty of attention.
“It will have been a nightmare,” Carragher said on Sky Sports.
“Every manager comes out and says the same thing: ’It’s only about our fixtures and we only concentrate on that’.
“But it’s not just about your fixtures. It depends what other teams get.
Chelsea also won at the weekend to maintain their title push
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Tottenham remain in second place after their win
“So of course it’s a big factor and the fact that they’ve all won before them puts massive pressure on Arsenal going into this fixture.
“They’ve lost their last three Premier League away games.
“If they lose tonight it will be a massive blow for them in the Champions League.”