Henry Bruseles, known in the boxing world as "El Nitro," was born on June 17, 1980, in Caguas, Puerto Rico. Raised in the heart of Puerto Rico's rich boxing tradition, Bruseles embodied the island's fighting spirit from an early age. With a natural talent for the sport and a relentless work ethic, he honed his skills in the gym and began making waves in the amateur scene before transitioning to the professional ranks.

Bruseles’ professional debut took place on February 8, 1999, at the iconic Great Western Forum in Inglewood, California. Facing Vance Thompson, Bruseles showcased his potential by securing a first-round knockout, making an immediate impression on fans and insiders alike. Over the next several years, he built an impressive record, combining technical skill with explosive power to climb the welterweight rankings.

Throughout his career, Bruseles demonstrated a willingness to face challenging opponents, earning a reputation as a durable and capable contender. He shared the ring with notable names such as César Bazán, Ener Julio, Wilfredo Negrón, Ben Tackie, and Mario Ramos, further solidifying his status as a fighter unafraid to test himself against strong competition. One of the defining moments of his career came on January 22, 2005, when he stepped into the ring against Floyd Mayweather Jr., one of the era's most dominant fighters. The bout, held in Miami and televised on HBO, was a significant opportunity for Bruseles to showcase his skills on a global stage. Despite his valiant effort, he was unable to match Mayweather’s precision and speed, losing via an eighth-round technical knockout. The fight, however, highlighted Bruseles' grit and his ability to compete at the highest level of the sport.

Bruseles continued to compete against high-caliber opponents, including bouts against formidable contenders such as Miguel Cotto in sparring sessions and other noted Puerto Rican fighters. Though he never captured a world title, his career was marked by his determination and the respect he garnered from peers and fans alike.

The final chapter of Bruseles’ professional journey unfolded on February 27, 2010, when he faced rising star Mike Jones in Atlantic City. The ten-round bout ended in a unanimous decision loss, signaling the end of Bruseles’ active boxing career. While he did not achieve victory in his swan song, his performance against a younger, highly-touted opponent reflected the same resilience and courage that defined his career.