[1] Benítez was born in Tijuana, Mexico and started training in mixed martial arts when he was 18 years old.
[1] Benítez started his professional MMA career in 2007, making his debut in his home country Mexico and he amassed a record of 16–4 prior to signing with the UFC.
[16][17][18] On September 17, 2016, Benítez face Sam Sicilia at UFC Fight Night: Poirier vs.
[20][21] Benítez faced Enrique Barzola, the featherweight champion of “The Ultimate Fighter: Latin America 2, on May 13, 2017, at UFC 211.
[32] Benítez was expected to face Lerone Murphy on March 21, 2020, at UFC Fight Night: Woodley vs.
[36] Benítez was scheduled to face Justin Jaynes on November 14, 2020, at UFC Fight Night: Felder vs. dos Anjos.
[43] Benítez faced Billy Quarantillo, replacing Herbert Burns on July 17, 2021, at UFC on ESPN 26.
[47] Three days before the event, Benítez was forced to pull out and Charles Rosa replaced him with the bout now taking place at Lightweight.
[48] Benítez faced David Onama on February 19, 2022, at UFC Fight Night: Walker vs. Hill.
[52] Benítez was scheduled to face Jim Miller on February 18, 2023, at UFC Fight Night 219.
[56] Benítez faced Maheshate Hayisaer, replacing Anshul Jubli on April 27, 2024, at UFC on ESPN 55.