Join MMA Nation at 7 p.m. ET/4 p.m. PT as we bring you results and video of today's weigh-ins for UFC 137: Penn vs. Diaz, from the Mandalay Bay Events Center in Las Vegas, Nevada. Attending today's weigh-ins will be UFC President Dana White, welterweight headliners B.J. Penn and Nick Diaz, as well as heavyweight brawlers Matt Mitrione and Cheick Kongo. All fighters must meet their division's required weight, with a one pound allowance given to non-title competitors. We will be live streaming the weigh-ins with the video player at the bottom of this post.
For more results and analysis, follow Shaun Al-Shatti (@shaun_alshatti) and MMA Nation (@MMANation) on Twitter. The UFC 137 fight card is as follows:
Main card (Pay-Per-View)
B.J. Penn vs. Nick Diaz
Cheick Kongo vs. Matt Mitrione
Mirko Filipovic vs. Roy Nelson
Scott Jorgensen vs. Jeff Curran
Hatsu Hioki vs. George Roop
Preliminary card (Spike TV)
Dennis Siver vs. Donald Cerrone
Tyson Griffin vs. Bart Palaszewski
Preliminary card (Facebook)
Brandon Vera vs. Eliot Marshall
Ramsey Nijem vs. Danny Downes
Chris Camozzi vs. Francis Carmont
Dustin Jacoby vs. Clifford Starks