Gracie Mag first reported the news, although a reason for Casey’s withdrawal isn’t known at this time.
Jandiroba (14-1-0) is winless thus far in UFC competition, having dropped a bout to Carla Esparza via unanimous decision at UFC Fight Night Fort Lauderdale. Jandiroba is a former Invicta FC Strawweight Champion, defeating Mizuki Inoue to win the gold at Invicta FC 28. Jandiroba has picked up fourteen wins as a professional MMA fighter and eleven of them have come by way of submission.
Souza (13-2-0) has won two of three bouts under the UFC banner, with those wins coming over the duo of Alex Chambers and Sarah Frota. Souza is a former Invicta FC Strawweight Champion, defeating Katja Kankaanpaa to win the gold at Invicta FC 12. Souza has picked up thirteen wins as a professional MMA fighter and eight of them came by way of submission.
UFC Fight Night Washington DC takes place on Saturday, December 7 from the Capital One Arena in Washington DC with Alistair Overeem and Walt Harris headlining. Fightful is providing live coverage of the event, which airs live on ESPN.