In 2011, Pague had signed with the UFC to compete on The Ultimate Fighter: Team Bisping vs. Team Miller. In the first episode, Pague fought Tateki Matsuda and won via majority decision (19-19, 20-18, 20-18) after two close rounds. The win gained Pague entry into the Ultimate Fighter house. He was selected as a part of Team Mayhem.
Pague next fought against Team Bisping's top bantamweight pick, Louis Gaudinot. Pague won the fight in the second round via submission (rear-naked choke) to get into the semi-finals. The fight also won Pague and Gaudinot an additional $25,000 for the fan voted "Fight of the Season".
In the semi-finals Pague fought and lost to T.J. Dillashaw (Current UFC Bantanweight Champion). Dillashaw controlled Pague on the ground throughout three rounds while landing heavy ground and pound en route to a unanimous decision.
Pague officially made his UFC debut on December 3, 2011 at The Ultimate Fighter 14 Finale losing to John Albert via TKO in the first round. Pague was dropped by a combination from Albert in the opening moments, and then was put in the giftwrap position while getting hit with heavy ground and pound causing the referee to intervene.
Pague captured his first UFC win after defeating Jared Papazian on June 8, 2012 at UFC on FX 3. Pague won the fight via submission (rear-naked choke) in the first round.
Two weeks after his win over Papazian and with six days notice, Pague fought Ken Stone at UFC on FX 4 on June 22, 2012, replacing an injured Francisco Rivera. Pague was defeated via split decision.
Pague faced promotional newcomer Chico Camus on August 11, 2012 at UFC 150. Pague lost via unanimous decision (29-28, 30-27, 29-28).
Pague faced Yves Jabouin on June 15, 2013 at UFC 161. He lost the back-and-forth fight via split decision.
Pague faced promotional newcomer Kyoji Horiguchi on October 19, 2013 at UFC 166. Despite controlling Horiguchi for the first round, Pague lost via TKO in the second round.
On April 23, 2014 Pague was released from his UFC contract following a four fight losing streak in the promotion.