Video: 'Conor McGregor has his strengths but I'm better at everything' - Jose Aldo
Half-starved and dehydrated, fighters tend to be at their most cranky when weighing in the the day before a bout, and that was certainly the case as the world's two best featherweights came face to face at the scales in front of a raucous crowd at the MGM Grand.
As part of their excellent Embedded series, the UFC give fans a behind the scenes look at the athletes in the lead up to the to some of the most important moments of their professional lives.
It's also a useful device in generating hype ahead of huge events, such as tonight's UFC 194 in Las Vegas. In this episode we see McGregor and Aldo go through the last stage of their preparation for the five-round featherweight title unification bout, as well as following their walk onto the stage for a weigh-in showcase that, in terms of atmosphere, surpassed most contests.
Watch below as UFC president Dana White has to get between the the favorite fighting sons of Ireland and Brazil.