[5] Nguyen began his professional mixed martial arts career while working during the day as a computer technician.
In 2012 he went to Thailand to attend Tiger Muay Thai & MMA Scholar Athlete program.
Nguyen achieved internet fame when his March 8, 2014 fight versus Julian Wallace surfaced on YouTube.
[6][7] This tactic, however, proved ineffective as Nguyen knocked Wallace out within 25 seconds of the first round.
[8][9][10] Nguyen made his promotional debut, facing Alptekin Özkılıç on May 10, 2015, at UFC Fight Night 65.
[14] Nguyen was expected to face Justin Scoggins on March 20, 2016, at UFC Fight Night 85.
[20] Nguyen was expected to face Joseph Benavidez on June 11, 2017, at UFC Fight Night 110.
[34] After high school, he went to college to become an engineer but then he switched paths to follow his dream of becoming an MMA fighter.