Arsenal playmaker, Mesut Ozil, has reacted to his side's 3-2 defeat by Crystal Palace in the Premier League on Sunday.
Goals from Christian Benteke, Wilfried Zaha and James McArthur gave Palace all three points against the Gunners.
However, Mesut Ozil and Pierre-Emerick Aubameyang did score for Unai Emery's men.
Reacting through his official Twitter page on Monday, Ozil wrote: "Frustrating day at the Emirates. We have to stick [together] now.
"Four crucial Premier League matches left this season."
Ozil will hope to lead Arsenal to victory when they tackle Wolves on Wednesday in their next Premier League fixture.
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