This is the stuff champions are made of.
Sixty-three hours after a gut-wrenching defeat to their main rivals for the Premier League title, Mikel Arteta asked the Gunners to rise off the canvas. Knocked down inside the opening five minutes and struck by another sucker-punch before the interval, they looked out for the count.
But, perhaps stung at the prospect of seeing their campaign implode, they refused to lie down and with the countdown looming, managed to land the killer blow. It was drama of the highest order that sealed it in the third minute of injury-time when the two sides had shared four goals between them.
