At UFC 321 in Abu Dhabi on Saturday, Walker once again pulled off his signature submission, locking a heel hook on Louie Sutherland and forcing him to tap out less than 90 seconds into the opening around. Walker extended a UFC record with his fourth straight heel hook finish.

The stage is set for UFC 321 on Saturday in Abu Dhabi — and you can watch all of the preliminary fights without spending a dime.

Aspinall, 32, has been nearly flawless since graduating to the company from the Cage Warriors promotion five years ago, winning eight of nine bouts and avenging an injury-prompted loss to Curtis Blaydes with a 60-second KO in July.

To put into context the absurdity of what Walker is doing right now, he's already the UFC's all-time record-holder for most heel hook submissions after just five fights.

The event capped almost 18 months of turbulence for the long-running contest, which underwent an acrimonious change in leadership following the resignation of Miss USA 2023, Utah’s Noelia Voigt, amid allegations of mistreatment.

Here's when to expect Virna Jandiroba and Mackenzie Dern to walk out to the cage for their vacant strawweight title fight at UFC 321.

UFC, the world’s premier mixed martial arts organisation, announced UFC’s much anticipated next heavyweight championship event ‘UFC 321’ in Abu Dhabi. UFC 321 lands in Abu Dhabi on October 25 with Tom Aspinall vs.