Fans ask ‘what did we just witness?’ after stunning never-before-seen double spinning back fist knockout at UFC 308

MMA fans were left utterly stunned after a double spinning back fist knockout at UFC 308.

Shara “Bullet” Magomedov and Armen Petrosya appeared to be heading into the last of their three rounds on the undercard of the Abu Dhabi event.

Shara ‘Bullet’ Magomedov, right, produced arguably the knockout of the night

Magomedov’s double spinning elbow stunned fight fans

He followed the right elbow up with a left to finish the contest

APThe shots sent Petrosya down to the canvas as the referee waved the bout off[/caption]

But Russian Magomedov, 30, had other ideas with 10 seconds left on the clock.

As the second round came to a close, middleweight Magomedov feigned a kick to the chest and then connected with a spinning right elbow.

When the impact knocked Petrosya to his left, his opponent followed it up with a brilliant left elbow.

The two shots sent Petrosya tumbling to the canvas as the referee immediately waved it off.

And MMA viewers could not believe what they had witnessed – a never-before-seen knockout in the UFC.

One said: “How does he even come up with these shots bro . My respect for him .”

Another added: “Top 3 knockout ever.”

A third replied: “What did we just witness?”

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While a fourth responded: “That’s the cleanest knockout I’ve seen in a minute.”

And a fifth said: “Is that the first double spinning back fist ever?”

Magomedov’s sensational knockout came hours before Khamzat Chimaev appeared to break Robert Whittaker’s jaw with a stunning first-round submission.

Ilia Topuria then defended his featherweight title by knocking out Max Holloway.