William Charles Fonseca
Southern California’s own William Charles Fonseca is one of boxing’s most exciting new prospects. Born and raised in Anaheim, Fonseca brings raw grit, undeniable charisma, and nonstop energy every time he steps into the ring. With an undefeated professional record of 2-0-1, he's quickly making a name for himself as a true crowd favorite and rising star under the DMG Boxing banner.
Fonseca's fighting style is fueled by relentless pressure, sharp combinations, and an ability to control the pace from the opening bell. While he’s still early in his career, his ring presence and entertainment factor already set him apart. Whether he's in the spotlight or training behind the scenes, Fonseca brings passion and intensity to everything he does.

Birth name: William Charles Fonseca
Sex: Male
Alias: Guero
Age: 21
Nationality: USA
Stance: Orthodox
Height: 6.0' / 183cm
Residence: Anaheim, California
Birth place: Anaheim, California
Division: Welter


known for his high-energy pressure, crisp combinations, and relentless pace. With strong footwork and ring IQ, he applies smart aggression and keeps his opponents on the defensive. While he hasn't notched a KO yet, his volume and conditioning make him a constant threat across all rounds.
Professional Career
- Pro Record: (3-0-1)