Waterson (15-6-0) has won just one of her last three under the UFC banner, with that lone win coming over Cortney Casey at UFC On Fox 29. Waterson is a former Invicta FC Atomweight Champion, defeating fellow UFC fighter Jessica Penne to win the gold at Invicta FC 5.
Herrig (14-7-0) has won four of her last five in the UFC, but is coming off of a loss to Karolina Kowalkiewicz at UFC 223. Herrig also competed on the UFC Ultimate Fighter 20, making it to the quarterfinals before losing to Randa Markos.
Pennington (9-6-0) is competing for the first time since losing a UFC Women’s Bantamweight Title bout to Amanda Nunes at UFC 224. Pennington also competed on the UFC Ultimate Fighter 18, making it to the semi-finals before losing to Jessica Rakoczy.
De Randamie (7-3-0) is the first ever UFC Women’s Featherweight Title, defeating Holly Holm to win the gold at UFC 208. De Randamie also returns to action for the first time in almost two years, with her last bout coming in December of 2016.
St. Preux (23-11-0) has won four of his last five in the UFC, last defeating Tyson Pedro by first round submission at UFC Fight Night Liverpool. St. Preux hasn’t had a bout go the distance in well over a year, with his last fight to do so coming at UFC Fight Night 104.
Reyes (9-0-0) has already won three bouts in the UFC, with those victories coming over Joachim Christensen, Jeremy Kimball and Jared Cannonier. Reyes has competed a total of nine times as a professional MMA fighter, with eight of those bouts ending in the opening round.
UFC 229 takes place on Saturday, October 6 from the T-Mobile Arena in Las Vegas, Nevada with Khabib Nurmagomedov and Conor McGregor headlining. Fightful is providing live coverage of the event, with a post-show podcast to follow.