I knew Pereira going in had something wrong with him prior to the main event because he did not look like himself like every other challenge he had thus far.
It was confirmed late yesterday he had a hand injury (a finger actually) which shouldn't have interfered with his performance.
https://www.bloodyelbow.com/2022/11/25/23478065/ufc-281-mma-news-interview-media-alex-pereira-israel-adesanya-injury-fight
https://www.espn.com/mma/story/_/id/35094861/ufc-champ-alex-pereira-says-fought-israel-adesanya-injured-finger