Illness forces Canadian Gillian (The Savage) Robertson off UFC 258 undercard Gillian Robertson reacts after she lost to Maycee Barber in a women's flyweight mixed martial arts bout Friday, Oct. 18, 2019, at UFC Fight Night in Boston. THE CANADIAN PRESS/AP-Elise Amendola February 13, 2021 - 2:49 PM LAS VEGAS - Illness forced Canadian flyweight Gillian (The Savage) Robertson off the UFC 258 undercard Saturday night. The UFC did not specify the illness other than to say it was not COVID-19 related. Robertson's bout against American Miranda (Fear The) Maverick was cancelled. The main event at the UFC's Apex production facility pitted welterweight champion Kamara (The Nigerian Nightmare) Usman against Gilbert (Durinho) Burns, ranked No. 1 among 170-pound contenders.