UFC on Fox 23: Shevchenko vs. Peña was a mixed martial arts event promoted by the Ultimate Fighting Championship held on January 28, 2017 at Pepsi Center in Denver, Colorado. A potential UFC Women's Bantamweight Championship title eliminator between multiple-time muay thai world champion Valentina Shevchenko and The Ultimate Fighter: Team Rousey vs. Team Tate bantamweight winner Julianna Peña served as the event headliner.

Cast:Valentina Shevchenko, Julianna Peña, Jorge Masvidal, Donald Cerrone, Francis Ngannou, Andrei Arlovski,

Genre:Action,

country:United States of America,

Production:Zuffa,