Swansea stunned Arsenal 3-1 to claim all three points at Liberty Stadium on Tuesday night.
The Swans have managed to pull themselves out of the relegation zone with two consecutive wins against Liverpool and now, the Gunners.
But the lead lasted just one minute before Sam Clucas levelled for Swansea.
A horror mistake from Petr Cech then allowed Swansea to take the lead after 61 minutes. The Czech goalkeeper scuffed a clearance, sending the ball straight to Jordan Ayew who subsequently tapped home from ten yards out.
As expected, Swansea dropped off and invited the pressure from Arsenal. But as we've seen time and time again over the years, the imagination and decisiveness wasn't there for Arsene Wenger's side when they needed it most.
And so, with all troops deployed forward, Clucas sealed the game for Swansea with his second goal of the night. Lacklustre and sleepy defending was once again to blame.
Speaking after the game, Wenger bemoaned his side's "big mistakes."
"I felt defensively we were very poor and made big mistakes," he told Sky Sports. "It's better not to talk about the second or third goals.
"Swansea were sharp, disciplined and hungry. Unfortunately I believe we were not good enough, I believe we were not disciplined enough.
"I don't want to talk about second or third goals."