A 1-0 victory at Sunderland on Saturday kept the Gunners' hopes of a top-four finish alive, although they remain four points adrift of arch-rivals Tottenham after their 2-1 home win over the Black Cats' neighbours Newcastle.
Wenger's men might have prevailed far more comfortably at the Stadium of Light had it not been for some less than effective finishing and the form of home keeper Simon Mignolet, but the Frenchman admitted afterwards that the three points were all that mattered.
He said: "We were under pressure to win, and of course we could not afford to drop points. I said that after the Chelsea game, we are in a situation where we cannot drop points any more. No matter where we play, we need the three points."
Meanwhile, Andre Santos' move from Arsenal to Gremio gathered pace on Sunday as the defender was photographed arriving in Brazil ahead of a proposed move back to South America.
Santos, 29, was signed from Fenerbahce for £6.8million in August 2011. However, the Brazil international has fallen down the pecking order at Emirates Stadium behind England left-back Kieran Gibbs, and following the deadline-day arrival of Spaniard Nacho Monreal is now surplus to requirements.
While there has not yet been any official comment from Arsenal, a picture of Santos arriving in his homeland, where he last played for Corinthians in 2008/2009, greeted by cheering fans was posted on Twitter.
Santos made 26 appearances for Arsenal, scoring four goals. It remains to be confirmed whether the transfer will be permanent or a loan deal.
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