Late in the first round, Kattar landed awkwardly on his right leg after attempting a jumping knee.

Although he was cleared to start the second round, Kattar's knee buckled again just eight seconds in after Allen landed a calf kick, forcing referee Herb Dean to stop the fight. Full Fight Card Results

You can relive the action and watch full fight replays exclusively on UFC Fight Pass . Official Scorecards | UFC Fight Night: Kattar vs Allen

(also known as UFC Vegas 63) took place on October 29, 2022 , at the UFC Apex in Las Vegas, Nevada. Main Event Summary

The headlining featherweight bout ended in an anticlimactic fashion when defeated Calvin Kattar via TKO due to a knee injury .

The event featured 11 total bouts, with the following results for the main and preliminary cards: Weight Class Round/Time Arnold Allen Calvin Kattar TKO (Knee Injury) Welterweight Max Griffin Decision (Split) Heavyweight Waldo Cortes-Acosta Jared Vanderaa Decision (Unanimous) Middleweight Tresean Gore Josh Fremd Submission (Guillotine) Light Heavyweight Khalil Rountree Jr. Dustin Jacoby Decision (Split) Middleweight Roman Dolidze Phil Hawes KO (Punches) Heavyweight Marcos Rogério de Lima Andrei Arlovski Submission (RNC) Middleweight Jun Yong Park Joseph Holmes Submission (RNC) Featherweight Steve Garcia Chase Hooper TKO (Punches) Flyweight Cody Durden Carlos Mota Decision (Unanimous) Catchweight Christian Rodriguez Joshua Weems Submission (Anaconda) Where to Watch