Mixed-martial-arts fans are invited to an official “UFC Undisputed 2010″ launch party tonight at the Mandalay Bay Beach in Las Vegas.
The event is free and open to 4,000 fans and takes place from 8 to 11:30 p.m. PT (local time).
Special guests include UFC president Dana White and fighters Forrest Griffin, Cain Velasquez, Dan Hardy, Joe Stevenson, Roy Nelson, Josh Koscheck, Jon Fitch and Mike Swick, Additionally, Bush’s Gavin Rossdale performs at the event.