Tom Aspinall defends his Heavyweight Title against Ciryl Gane and Mackenzie Dern looks for a second victory against Virna Jandiroba when they battle for the vacant Women's Strawweight Title at UFC 321 on Saturday,

Date: Oct. 4 | Location: T-Mobile Arena -- Las Vegas Early prelims begin at 6 p.m. ET and can be seen on FX/ESPN+ Televised prelims begin at 8 pm. ET and can been seen on FX/ESPN+ Main card begins at 10 p.m. ET Watch live: ESPN+ PPV | Price: $79.99