UFC 170 will take place on Saturday night from Mandalay Bay Events Center in Las Vegas and the UFC has released an extended video preview of the main and co-main event bouts. 
The card will begin with the online preliminary card on Fight Pass at 7 p.m. ET/4 p.m. PT with two fights and the final four preliminary bouts will be shown on Fox Sports 1 at 8 p.m. ET/5 p.m. PT.
Following the conclusion of the preliminary card, the main card on pay-per-view will start at 10 p.m. ET/7 p.m. PT and will be headlined by a title fight as Ronda Rousey defends the women’s bantamweight title against Sara McMann.
The current UFC 170: Rousey vs. McMann extended video preview are fight card are below.
Main Card: (PPV – 10 p.m. ET/7 p.m. PT)
Ronda Rousey (8-0) vs. Sara McMann (7-0)
Daniel Cormier (13-0) vs. Patrick Cummins (4-0)
Demian Maia (18-5) vs. Rory MacDonald (15-2)
Mike Pyle (25-9-1) vs. TJ Waldburger (16-8)
Stephen Thompson (8-1) vs. Robert Whittaker (11-3)
Preliminary Card: (Fox Sports 1 – 8 p.m. ET/5 pm. PT)
Alexis Davis (15-5) vs. Jessica Eye (11-1)
Raphael Assuncao (21-4) vs. Pedro Munhoz (10-0)
Aljamain Sterling (8-0) vs. Cody Gibson (11-3)
Zach Makovsky (17-4) vs. Josh Sampo (11-2)
Preliminary Card: (UFC Fight Pass – 7 p.m. ET/4 p.m. PT)
Erik Koch (13-3) vs. Rafaello Oliveira (15-6)
Ernest Chavez (6-0) vs. Yosdenis Cedeno (9-2)