The official weigh-in for UFC 170 streaming live on The UnderGround from the Mandalay Bay, Friday, February 21st at 7pm/4pm ET/PT.

Main Card (Pay-per-view, 10 p.m. ET)

Ronda Rousey (135) vs. Sara McMann (135) – for women’s bantamweight title

Daniel Cormier (205) vs. Patrick Cummins (205)

Rory MacDonald (171) vs. Demian Maia (170)

Mike Pyle (171) vs. T.J. Waldburger (171)

?Stephen Thompson (170.5) vs. Robert Whittaker (170)

Prelim Card (FOX Sports 1, 8 p.m. ET)

Alexis Davis (135) vs. Jessica Eye (136)

Raphael Assuncao (136) vs. Pedro Munhoz (135)

Aljamaine Sterling (135.5) vs. Cody Gibson (135.5)

Zach Makovsky (125) vs. Josh Sampo (126)

Prelim card (UFC Fight Pass, 7 p.m. ET)

Erik Koch (155) vs. Rafaello Oliveira (155)

Ernest Chavez (156) vs. YosdenisCedeno (155.5)