Both fighters confirmed the pairing on social media following an initial report from MMA Latinoamerica. The UFC Fight night will take place at the Accor Arena and features a five-round lightweight showdown pitting Benoit St. Denis against Renato Carneiro.
After losing her Octagon debut to Stephanie Egger, Perez has rebounded to win three consecutive outings within the Las Vegas-based promotion. Most recently, the Argentinian took a three-round verdict against Joselyne Edwards at UFC 302 on June 1. Her current winning streak also includes decision triumphs over Lucie Pudilova and Ashlee Evans-Smith.
Zheleznyakova, meanwhile, has been victorious in nine of her first 10 professional outings. The 28-year-old Russian enjoyed a successful promotional debut, as she outpointed Montserrat Rendon at UFC on ESPN 53 on March 23.