The main event ended in an unfortunate and abrupt fashion just .
(also known as UFC Vegas 63 ) took place on October 29, 2022 , at the UFC APEX in Las Vegas. The event was headlined by a crucial featherweight contenders' bout between No. 5 ranked Calvin Kattar and No. 6 ranked Arnold Allen . Main Event: Arnold Allen def. Calvin Kattar UFC Fight Night: Kattar vs Allen