Khabib Nurmagomedov and Dustin Poirier will clash for the UFC lightweight title in Abu Dhabi tomorrow night.
But first the rivals must weigh inside the 155lb limit this morning in order to make the walk to the Octagon at UFC 242.
As is now customary with the UFC, the fighters will weigh in twice, once behind closed doors and then in front of the public.
Nurmagomedov and Poirier, along with the rest of the card, must make weight for the first weigh-in, but not for the second.
Here is everything you need to know about the weigh-ins...
When is the official weigh-in?
The fighters must weigh in during a two-hour window from 9am UK time this morning.
Can I attend?
The official weigh-in is closed to the public.
When is the ceremonial weigh-in?
The fighters will weigh in and come face to face in front of the public at 3pm UK time.
Can I attend?
Yes, fans can attend the ceremonial weigh-ins from 12 noon UK time, or 3pm local time. They will be held at The Arena, Yas Island, Abu Dhabi.
What happens if a fighter misses weight?
If a fighter weighs in heavier than their respective divisional limit, they will have until the window closes to re-weigh in. If they still fail, they may be pulled from the fight or, if the fight goes ahead, they will forfeit a percentage of their purse to their opponent.
UFC 242 full fight card
Main Card
Khabib Nurmagomedov vs Dustin Poirier
Edson Barboza vs Paul Felder
Islam Makhachev vs Davi Ramos
Curtis Blaydes vs Shamil Abdurakhimov
Mairbek Taisumov vs Carlos Diego Ferreira
Preliminary Card
Ottman Azaitar vs Teemu Packalén
Liana Jojua vs Sarah Moras
Early Preliminary Card
Belal Muhammad vs Takashi Sato
Nordine Taleb vs Muslim Salikhov
Omari Akhmedov vs Zak Cummings
Joanne Calderwood vs Andrea Lee
