Bloody Elbow will be providing live video and updates when all 22 fighters on the card step on the scale at today's you can view it over at MMA Nation. The weigh-ins begin at 7 p.m. ET/4 p.m. PT.weigh-ins from the Mandalay Bay Events Center in Las Vegas, NV. You can catch a live Youtube stream of the weigh-ins below the jump, or if that doesn't work for some reason,
The main event is a welterweight matchup between former UFC lightweight and welterweight champion B.J. Penn and former Strikeforce welterweight champion Nick Diaz , who will both have to make the welterweight non-title bout limit of 171 pounds.
Join us and share your thoughts as the weigh-ins unfold.
Nick Diaz (170) vs. B.J. Penn (169): Both men were separated quickly after a chin-to-forehead square off.
Cheick Kongo (234) vs. Matt Mitrione (255)
Mirko Filipovic vs. Roy Nelson (252): Nelson came out in a fat suit of sorts and never took any clothes off to weigh-in. Joe Rogan announced this as the co-main event, but may have misspoke.
Jeff Curran vs. Scott Jorgensen (135)
Hatsu Hioki vs. George Roop (145)
Spike TV Card
Donald Cerrone vs. Dennis Siver (155)
Tyson Griffin vs. Bart Palaszewski (146): Griffin was given 1 hour to lose three pounds.
Eliot Marshall vs. Brandon Vera (205)
Danny Downes vs. Ramsey Nijem
Chris Camozzi vs. Francis Carmont (
Dustin Jacoby vs. Clifford Starks
Update: Tyson Griffin failed to cut three pounds. He is fined 25% and the fight will take place at a 148 pound catchweight.