Arsenal chairman Sir Chips Keswick last month issued a show of support for Wenger - but since then their form has nosedived. It is a quite remarkable record.
A fourth successive away Premier League defeat - the first time Wenger has endured such a run at the club - leaves Arsenal seven points adrift of fourth-placed Manchester City in the race for Champions League qualfication.
The Frenchman is under increasing pressure and is out of contract at season's ending, however he preferred to not discuss his future after Arsenal's latest loss.
The back-page headline in The Times, a riff on Palace's nickname, was "Eagles 3 Butterflies 0", while The Daily Telegraph said the result at Selhurst Park represented "humiliation".
The central midfield duo, ever since Santi Cazorla went under the knife with an ailing ankle issue, has been a turbulent and unsettled pairing. We were very disappointed in that dressing room, like the fans are as well because we've let them down tonight.
"All we can do is apologize", Arsenal winger Theo Walcott said.
"I felt that we created quite unsafe situations but defensively we were exposed at times and offensively we couldn't finish", Wenger said. It's a big worry. "It's the fact that we lost a big game, and when you lose a big game it's a big worry".
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"That's not Arsenal", he said.
I think more of them want change.
"If you look ahead to the FA Cup semi-final, that could be a bigger game because of the opponent and putting the top four to one side, losing that could have a bigger impact on the future of Wenger".
Post-match, Walcott made a very honest assessment of Arsenal's insipid display and was quick to say sorry to the fans for producing such a subpar 90 minutes.
Last night the club's fans even turned on the players singing "you're not fit to wear the shirt" to the likes of Alexis Sanchez, Mesut Ozil and Hector Bellerin. It's really odd. We were unbeaten for a long time away from home, and now we can not win.
"It was more painful for us to lose this game in the way we lost it".
"We are in a hard position".




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