Robbie Lawler reacts to his victory over Jake Ellenberger their welterweight bout during the UFC 173 event at the MGM Grand Garden Arena on May 24, 2014 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images) UFC Bantamweight Champion Renan Barao stands in his corner prior to his bantamweight championship fight against Urijah Faber during the UFC 169 event at the Prudential Center on February 1, 2014 in Newark, New Jersey. (Photo by Jeff Bottari/Zuffa LLC/Zuffa LLC via Getty Images)

Robbie Lawler reacts to his victory over Jake Ellenberger their welterweight bout during the UFC 173 event at the MGM Grand Garden Arena on May 24, 2014 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images) UFC Bantamweight Champion Renan Barao stands in his corner prior to his bantamweight championship fight against Urijah Faber during the UFC 169 event at the Prudential Center on February 1, 2014 in Newark, New Jersey. (Photo by Jeff Bottari/Zuffa LLC/Zuffa LLC via Getty Images)