

No. Horth withdrew from the October 17 fight because of an injury, and Mackenzie Stiller stepped in to face Cerminara. The opponent change was reported on October 1, so the original Cerminara–Horth pairing is no longer the planned matchup.
Paramount+ will stream UFC Fight Night: Buckley vs. Malott on October 17. Coverage includes both the preliminary card and the main card, so the same service carries both parts of the Edmonton event.
The prelims start at 5:00 p.m. ET, and the main card starts at 8:00 p.m. ET on October 17. Those times mark the start of each card, not an individual fight's opening bell.
The event takes place at Rogers Place in Edmonton, Canada. Cerminara's fight was booked as part of UFC Fight Night: Buckley vs. Malott, with Joaquin Buckley and Mike Malott heading the main card.
The original Cerminara–Horth matchup was booked as a three-round women's flyweight fight. It was part of the preliminary card rather than the main card, before Horth's injury forced a change of opponent.