UFC 181: Welterweight Champion Johny "Bigg Rigg" Hendricks (16-3-0) fighting out of Ada, Oklahoma is defending his title against Robbie "Ruthless" Lawler (25-10-1) fighting out of Coconut Creek, Florida is being broadcast live from the Mandalay Bay E... (more)vents Center in Las Vegas, Nevada. This is the 2nd fight between these two combatants. The following additional bouts are scheduled for tonight's card: Heavyweight: Todd Duffee vs. Anthony Hamilton Heavyweight: Travis Browne vs. Brendan Schaub Lightweight Champion Anthony Pettis vs. Gilbert Melendez Lightweight: Tony Ferguson vs. Abel Trujillo