UFC 185: Pettis vs. dos Anjos was a mixed martial arts event held on March 14, 2015 at the American Airlines Center in Dallas, Texas. The event was headlined by a UFC Lightweight Championship bout between current champion Anthony Pettis and top contender Rafael dos Anjos. The co-main event featured a UFC Women's Strawweight Championship bout between current champion Carla Esparza and top contender Joanna Jędrzejczyk.