Pierce turned pro in the summer of 2016. Right from the start he started to show his attitude and desire to test himself against the best facing 5 fighters without a loss in his first 10 bouts.
"I had been around the filming of “The Fighter” movie and had been speaking to Christian Bale and Mark Wahlberg about boxing and training. They both encouraged me to come out to LA and see how I like it, take a shot at it."