Early years On July 23, 2016, Pierce began his professional career as a
lightweight and made his debut match against Deartie Tucker in
Remington Park,
Oklahoma City. In the fight, Tucker weighed 139 pounds (63.05 kilograms), whilst Pierce weighed 5 pounds (2.27 kilograms) lighter, Pierce won via 1st round TKO, finishing the bout within 2 minutes and 49 seconds. Pierce moved down to the
super featherweight division in his third bout against debutant Xavier Siller, Pierce won via third round TKO. Pierce returned to the lightweight division against
journeyman Anthony Dave, who he would defeat via second-round KO. In his next bout, Pierce moved back down to the super featherweight division to defeat undefeated Mexican Calendario Alejandro Rochin.
Pierce vs. Gonzalez 11 months later, on May 17, 2019, Pierce was scheduled against 12–0, 9 KOs prospect Irvin Gonzalez. Prior to the fight, Pierce was a +1000 underdog, but Pierce proved the odds-maker wrong as he scored a huge upset, dropping Gonzalez two times in the opening round before finishing Gonzalez in the third round.
Pierce vs. Segawa On September 28, 2019, Pierce was matched against Ugandan prospect
Sulaiman Segawa, Pierce lost for the second time with a close
majority decision, whilst Segawa improved to 13 wins with 2 defeats. After improving to 12–2, 11 KOs, Pierce fought undefeated Jesse Garcia on June 4, 2022 in
Houston,
Texas. Pierce won the fight by third round TKO. Supposedly, Pierce was to fight Filipino regional challenger Joseph Ambo, however, the bout wasn't continued, On November 19, 2022, Pierce defeated veteran Juan Carlos Peña via 2nd round TKO in Oklahoma City.
Rise up the ranks Pierce vs. Williams On April 22, 2023, Pierce was scheduled with former
WBO World title-challenger
Tramaine Williams for the vacant WBC Silver super bantamweight strap in a 10-rounder bout in
Mohegan Sun Arena,
Uncasville, Connecticut, Pierce upsets Williams scoring a unanimous decision victory with 2 judges scoring 97–93 and 1 judge scoring 96–94.
Pierce vs. Plania On August 4, 2023, Pierce dueled Filipino challenger and former
IBF North American champion
Mike Plania to headline
Overtime Elite-based Overtime Boxing (OTX) Summer Boxing Series in
Overtime Elite Arena,
Atlanta, Georgia. After Plania being in much control of the fight, Pierce bounced back with a one-punch KO in the third round that concluded the fight.
Pierce vs. Villanueva On March 29, 2024, Pierce fought ex-
ALA Promotions stalwart ring veteran
Arthur Villanueva in Overtime Elite Arena, Atlanta, Georgia, Pierce survived a second-round knockdown, but Pierce was able to stand up and avenged the ensuing round, eventually, Pierce stopped Villanueva in the fourth round.
Pierce vs. Sanmartin On August 30, 2024, Pierce was scheduled against Colombian veteran Jose Sanmartin for the vacant
WBA Continental Americas super bantamweight title, Pierce won via unanimous decision.
Pierce vs. Dasmariñas Pierce won the vacant
WBO International featherweight title with a ninth round knockout success over
Michael Dasmariñas at
The Tabernacle in
Atlanta,
Georgia, USA, on July 25, 2025.
Pierce vs. Parra Pierce made the first defense of the title against Lorenzo Parra at
Turning Stone Resort and Casinomin
Verona, New York, USA, on February 28, 2026, losing by technical knockout in the second round. ==Professional boxing record==