Saturday afternoon in Chicago, Illinois, the UFC will hold it’s 20th event on Fox. In the main event, Holly Holm will square off against Valentina Shevchenko in a pivotal women’s bantamweight matchup.

Also on the main card, top ranked lightweights Gilbert Melendez and Edson Barboza will square off in the co-main event. The fight will serve as Melendez’s return fight back to the Octagon after being suspended for a failed drug test.