UFC 257 is on the verge of gaining a major 115-pound fight to its lineup.
Strawweight contenders Amanda Ribas and Michelle Waterson have agreed to fight one another at UFC 257 on Jan. 23. The event does not currently have a location or venue.
With the addition, the UFC 257 lineup includes:
Joanne Calderwood vs. Jessica Eye Amanda Ribas vs. Michelle Waterson