MMAjunkie.com was first to report the pairing. UFC 263 is headlined by a flyweight championship rematch between Deiveson Figueiredo and Brandon Moreno. The card does not have an official location or venue.
Calderwood was victorious in her first appearance of 2021, outpointing former title challenger Jessica Eye at UFC 257 on Jan. 23. The 34-year-old Scotland native is 7-5 in UFC competition, with notable wins over Andrea Lee, Ariane Lipski, Valerie Letourneau and Seo Hee Ham.