UFC on ESPN: Holloway vs. Allen (also known as UFC on ESPN 44) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 15, 2023, at the T-Mobile Center in Kansas City, Missouri, United States.

[2] The event marked the promotion's second visit to Kansas City and first since UFC on Fox: Johnson vs. Reis in April 2017.

[4] However, the pair was moved to UFC Fight Night: Pavlovich vs. Blaydes a week later for undisclosed reasons.

[5] A heavyweight bout between Jake Collier and Martin Buday was expected to take place at this event.

Her bout proceeded at catchweight and she was fined an undisclosed percentage of her purse which went to her opponent Lucie Pudilová.