UFC 320: Macy Chiasson vs Yana Santos

The women’s bantamweight bout between Macy Chiasson and Yana Santos is scheduled for UFC 320: Ankalaev vs. Pereira 2, taking place at the T-Mobile Arena in Las Vegas, Nevada, on Saturday, October 4, 2025. The fight is on the early prelims, with an estimated start time around 6:00 p.m. ET.

Leading up to the event, Macy Chiasson missed weight, coming in at 138 lbs, which is 3 lbs over the bantamweight limit. This drew criticism from her opponent Yana Santos, who expressed displeasure over the perceived disrespect. Both fighters otherwise appeared healthy and completed their training camps without reported injuries.

In terms of coaching and strategy, Chiasson’s camp likely emphasized her height and reach advantage, focusing on striking from distance and controlling the pace. Her style has relied on maintaining range and dictating tempo. Santos’s coaches probably planned to pressure Chiasson, use clinch work, and attempt takedowns to neutralize her striking advantage, relying on aggressive exchanges to seize control.

Media coverage highlighted the controversy surrounding Chiasson’s weight miss, with outlets reporting on the incident and its fallout. Analysts noted Chiasson’s slight edge in betting odds but emphasized that Santos’s pressure and grappling could make it a close contest. Reports focused both on the technical matchup and the narrative of professionalism given Chiasson’s weight miss.

Analysts in studios generally favored Chiasson due to her striking accuracy and physical advantages. However, they cautioned that Santos’s pressure and grappling could pose serious challenges if she successfully closed the distance. Many noted that the outcome would depend on Chiasson’s ability to maintain range and execute her game plan while avoiding Santos’s aggressive tactics.