UFC 303: Pereira vs. Procházka 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 29, 2024, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States.

[6] A light heavyweight bout between former champion Jamahal Hill and Khalil Rountree Jr. was expected to serve as the co-headliner for this event.

[10] In turn, Hill pulled out due to injury and was replaced by former title challenger Anthony Smith.

[13] A women's strawweight bout between former Invicta FC Atomweight Champion Michelle Waterson-Gomez and Gillian Robertson was scheduled for UFC 302.

[16] However, Durden was pulled from the event for unknown reasons and replaced by Road to UFC Season 2 flyweight winner Rei Tsuruya.