UFC 171: Hendricks vs. Lawler was a mixed martial arts event that was held on March 15, 2014, at the American Airlines Center in Dallas, Texas.

[8] A UFC Welterweight Championship bout between Johny Hendricks and Robbie Lawler for the vacant title headlined the event.

However, Silva was removed from the bout due to police apprehension and release[11] for multiple counts of aggravated assault.

However, Troeng was forced out of the bout due to an injury and was replaced by UFC newcomer Sean Strickland.

He decided not to cut the additional pound, so had to surrender 20% of his purse to his opponent, Francisco Treviño.