[2] This undefeated streak earned Libranza the right to challenge the reigning IBO flyweight champion Moruti Mthalane on 28 April 2017.
[5] Referee Ramuel Ovalo waved the fight off at the 2:35 minute mark, after Ramayan Jr. turned his back to his opponent, following a flurry of punches from Libranza.
Libranza made his United States debut against Gilberto Mendoza on 9 February 2019, as the fight took place at the Dignity Health Sports Park in Carson, California.
[14] Libranza had his second consecutive United States fight on 20 July 2019, when he was scheduled to face Carlos Maldonado.
[15] Libranza was expected to challenge the reigning WBO Oriental Bantamweight champion Vincent Astrolabio on 27 February 2021, following a 15-month absence from the sport.