The UFC will broadcast on Fox for the third time in 2016 when the network presents UFC on Fox 20 on Saturday live from the United Center in Chicago.
The main event will feature former women's bantamweight champion and No. 2 ranked Holly Holm against No. 7 ranked Valentina Shevchenko.
Holm (10-1) captured the strap from Ronda Rousey at UFC 193, but lost it in her first title defense against Miesha Tate at UFC 196 in March.
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Shevchenko (12-2) also fought at UFC 196, losing to now 135-pound champion Amanda Nunes by unanimous decision.