According to ESPN, Holly Holm has been forced to withdraw from her upcoming Oct. 5 bout against Raquel Pennington at UF 243 due to an undisclosed injury.
The pair originally met in the Octagon at UFC 184 in 2015, a bout that Holm won via split decision.
UFC 243 is headlined by a middleweight title fight between champion Robert Whittaker and challenger Israel Adesanya.