Demetrious Johnson, the No. 3 ranked pound-for-pound fighter in the UFC, will defend his flyweight title in a rematch against John Dodson at UFC 191 on Saturday, Sept. 5, at the MGM Grand Garden Arena in Las Vegas.

UFC 191 main card, 10 p.m. ET on pay-per-view

Flyweight championship: Demetrious Johnson vs. John Dodson

Heavyweight: Frank Mir vs. Andrei Arlovski

Light heavyweight: Anthony Johnson vs. Jimi Manuwa

Light heavyweight: Jan Blachowicz vs. Corey Anderson

Women's strawweight: Paige VanZant vs. Alex Chambers

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UFC 191 prelims, 8 p.m. on Fox Sports 1

Lightweight: Ross Pearson vs. Paul Felder

Bantamweight: Francisco Rivera vs. John Lineker

Women's bantamweight: Jessica Andrade vs. Raquel Pennington

Featherweight: Clay Collard vs. Tiago Trator

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UFC 191 early prelims, 7 p.m. on Fight Pass

Middleweight: Joe Riggs vs. Ron Stallings

Welterweight: Joaquim Silva vs. Nazareno Malegarie