UFC 224: Nunes vs. Pennington was a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) held on May 12, 2018, at the Jeunesse Arena in Rio de Janeiro, Brazil.
The event was headlined by a UFC Women's Bantamweight Championship bout between the champion Amanda Nunes and Raquel Pennington. The co-main event featured a middleweight bout between Ronaldo Souza and Kelvin Gastelum.
The card also included notable fights such as Mackenzie Dern vs. Amanda Cooper, and John Lineker vs. Brian Kelleher.
UFC 224 drew a reported attendance of 10,272 and generated a gate of $1,400,000.
Amanda Nunes defeated Raquel Pennington by TKO in the fifth round to retain her title. Kelvin Gastelum defeated Ronaldo Souza by split decision.
