The all-Brazil strawweight title fight for Invicta FC 31 is official. Invicta FC 31 takes place Saturday at the historic Scottish Rite Temple in Kansas City, Mo. The card streams live on UFC Fight Pass. In the main event, undefeated champion Virna Jandiroba  (13-0) defends her belt against challenger Janaisa Morandin  (10-1). And in the co-main event, UFC veteran Pearl Gonzalez  (8-3) takes on Daiane Firmino  (10-2) at flyweight. Jandiroba, who has 10 out of 13 wins by submission, won the strawweight title in March with a dominating decision over Mizuki Inoue.