Waterson will take on TUF 20 vet Angela Magana July 12 at the TUF 21 finale in Miami, Florida.
The UFC announced Waterson’s signing Monday. She has won five of her last six fights and is moving back up to 115.
Magana (11-7) has lost her last three official fights, two at flyweight and one against Tecia Torres at strawweight at the TUF 20 finale. She has a notable wins over Jessica Aguilar and InvictaFc champion Barb Honchak.
The fight will air on Fox Sports 1 July 12.