Mixed martial arts career
Pérez made his professional mixed martial arts debut in 2005 at the age of 16, competing for regional promotions across Mexico. He was able to compile a record of 14 – 5 before trying out for The Ultimate Fighter in 2014.
The Ultimate Fighter: Latin America
Over the course of the show, Pérez first defeated Fredy Serrano in the quarterfinals via unanimous decision. In the semifinals, Pérez went on to defeat Guido Cannetti via Knockout in the first round to reach the finals.
Ultimate Fighting Championship
Pérez made his official UFC debut on November 15, 2014 at UFC 180, facing fellow castmate, and former opponent José Alberto Quiñónez in the bantamweight finals. Pérez defeated Quiñónez via unanimous decision to become the tournament winner.
Pérez faced Scott Jorgensen on November 21, 2015 at The Ultimate Fighter Latin America 2 Finale. He won the fight via TKO in the second round after Jorgensen was unable to continue after injuring his ankle.
Pérez was expected to face Manvel Gamburyan on September 17, 2016 at UFC Fight Night 94. However, Gamburyan pulled out of the fight in mid-August for undisclosed personal reasons and was replaced by Albert Morales. The fight was scored a majority draw.
Pérez was expected to face Rob Font on December 3, 2016 at The Ultimate Fighter 24 Finale. However, Pérez pulled out of the fight on November 24. He was replaced by promotional newcomer Matt Schnell.
Pérez was expected to face Yadong Song on March 2, 2019 at UFC 235. However, it was reported on January 11, 2019 that he pulled out on January 11 due to an undisclosed reason. He was replaced by Cody Stamann. Pérez lost the fight by unanimous decision.
Article source: https://en.wikipedia.org/wiki/Alejandro_P%C3%A9rez_(fighter)