UFC Shanghai video: Umar Nurmagomedov's corner devastated by shocking KO loss

Umar Nurmagomedov's return to the octagon at UFC Fight Night 286 didn't end in a pretty scene.

Umar (20-2 MMA, 8-2 UFC) was left unconscious after eating a monster uppercut from fellow UFC bantamweight title contender Song Yadong (24-9-1 MMA, 13-4-1 UFC) in the main event of Saturday's card in Shanghai.

Song's win was a big upset that few predicted. It left many watching in shock, but perhaps those impacted most were Umar's corner team, which was composed of PFL lightweight champion Usman Nurmagomedov, UFC Hall of Famer Khabib Nurmagomedov, as well as Iakub Shikhdzhamalov and Abubakar Nurmagomedov. All four were left visibly distraught by the result.

Brutal reaction of Umar Nurmagomedov's corner to the KO loss. This sport is ruthless. pic.twitter.com/ZIgsXEeBE9

Usman, the younger brother of Usman, jumped into the cage and immediately rushed toward his fallen sibling. In the process, Usman collided with Song, who was running around the octagon celebrating the upset in front of an electric crowd. It then appeared that Usman held back from throwing an elbow at Song.

Slow motion video of what appears to look like Usman Nurmagomedov trying to shove Song Yadong after the fight. pic.twitter.com/5LHINfM6TF

THe situation quickly deescalated, with Khabib offering to help wipe blood from Song's cut eyebrow as the teams interacted in a respectful manner.

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