UFC on Fox 20: Holy Holm vs. Valentina Shevchenko

After her defeat from No. 1 Miesha Tate, former UFC Women's Bantamweight Champion and No. 2 Holly Holm is back to the octagon at the main event. The Preacher's Daughter will face multiple-time world champion in Muay Thai Valentina Shevchenko.

Gilbert Melendez vs. Edson Barboza replaced Glover Teixeira vs. Anthony Johnson as the co-main event. Rumble withdrew so the much awaited fight will be postponed. Yes fight fans, it is still going to happen. Anthony Johnson just needs to fix a serious family matter.

It is the US' JC Cottrell's UFC debut fight against Brazilian Michael Prazeres. He replaces Tony Martin who was forced out of the bout with a neck injury.

UFC on Fox 20 a.k.a UFC Chicago takes place at the United Center in Chicago on July 23.

Here's the updated UFC Chicago card:

Women's Bantamweight Holly Holm vs. Valentina Shevchenko
Lightweight Edson Barboza vs. Gilbert Melendez

Heavyweight Francis Ngannou vs. Bojan Mihajlović

Women's Strawweight Felice Herrig vs. Kailin Curran

Bantamweight Frankie Saenz vs. Eddie Wineland

Welterweight Alex Oliveira vs. James Moontasri

Featherweight Darren Elkins vs. Godofredo Pepey

Welterweight Kamaru Usman vs. Alexander Yakovlev

Lightweight Michel Prazeres vs. J.C. Cottrell

Welterweight Héctor Urbina vs. George Sullivan

Featherweight Jim Alers vs. Jason Knight
Heavyweight Luis Henrique vs. Dmitry Smolyakov