UFC 207 is a mixed martial arts event that is held by the Ultimate Fighting Championship and this is a Women's Bantamweight Championship title main event card between the current champion Amanda "The Lioness of the Ring" Nunes (13-4-0, 9 KO's) fighting out of Salvador, Bahia, Brazil going against the former champion Ronda "Rowdy" Rousey (12-1-0, 3 KO's) fighting out of Santa Monica, California. This card is airing live tonight from the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area. This is the preliminary card that airs for 2 hours prior to the main card.

The following preliminary bouts are scheduled as follows:

Catchweight (173.5 lbs): Johny Hendricks vs. Neil Magny

Middleweight: Antônio Carlos Jr. vs. Marvin Vettori

Welterweight: Brandon Thatch vs. Niko Price

Welterweight: Mike Pyle vs. Alex Garcia

UFC on Fox 23 is a mixed martial arts event that will be held by the Ultimate Fighting Championship with a Women's Bantamweight main event card between Valentina "The Bullet" Shevchenko (58-2-1, 21 KO's) fighting out of Lima, Peru and her opponent Julianna "The Venezuelan Vixen" Peña (8-2-0, 3 KO's) fighting out of Spokane, Washington. This is the preliminary card and it is airing live tonight from the Pepsi Center in Denver, Colorado.

The 6 scheduled preliminary bouts are as follows:

Bantamweight: Raphael Assunção vs. Aljamain Sterling

Light Heavyweight: Luis Henrique da Silva vs. Jordan Johnson

Light Heavyweight: Marcos Rogério de Lima vs. Jeremy Kimball

Middleweight: Nate Marquardt vs. Sam Alvey

Middleweight: Eric Spicely vs. Alessio Di Chirico

Welterweight: Bobby Nash vs. Li Jingliang