Isaac Jonathan Cruz González Bio
Isaac Jonathan Cruz González, known professionally as Isaac Cruz and nicknamed “Pitbull,” is a Mexican professional boxer born on May 23, 1998, in Mexico City, Mexico. He has made a significant mark in the lightweight and light welterweight divisions, holding notable titles such as the World Boxing Association (WBA) super lightweight championship in 2024 and the World Boxing Council (WBC) interim super lightweight title since July 2025. Cruz has compiled a professional record of 28 wins, 3 losses, and 2 draws, with 18 wins by knockout.
Early Life and Background
Isaac Cruz was born and raised in Mexico City, Mexico. Details about his family background and early education are limited, but his early exposure to boxing in Mexico shaped his career path. Growing up in a country with a rich boxing tradition, Cruz developed his skills and passion for the sport from a young age, eventually turning professional and competing in the lightweight and light welterweight divisions.
Path to Boxing
Cruz began his professional boxing career with determination and quickly rose through the ranks. His aggressive fighting style and resilience earned him recognition in regional and international bouts. Early in his career, he gained valuable experience and exposure by competing against notable opponents, which paved the way for his ascent in the competitive boxing landscape of Mexico and beyond.
Isaac Cruz Career
Early Career (Up to 2020)
Isaac Cruz built a strong foundation in his early professional years, amassing a record of 19 wins, 1 loss, and 1 draw. A key moment was his bout against Diego Magdaleno on October 31, 2020, at the Alamodome in San Antonio, Texas, where Cruz secured a first-round knockout victory in just 53 seconds. This performance highlighted his power and potential in the lightweight division.
Following this, Cruz continued to demonstrate his skill and tenacity, taking on Jose Matias Romero in a WBA lightweight title eliminator in March 2021. Despite a point deduction for a low blow, Cruz won by unanimous decision, showcasing his ability to persevere through adversity and maintain focus in the ring.
WBA and WBC Titles Breakthrough (2024–2025)
Isaac Cruz made his super lightweight debut on March 30, 2024, at the T-Mobile Arena in Paradise, Nevada, where he faced Rolando “Rolly” Romero for the WBA super lightweight title. Cruz dominated the fight with relentless pressure and combination punching, culminating in an eighth-round technical knockout that earned him the WBA championship. This victory marked a significant milestone in his career, establishing him as a world-class fighter.
In August 2024, Cruz defended his WBA super lightweight title against José Valenzuela but lost the bout by split decision. He rebounded in February 2025 with a unanimous decision win over Angel Fierro at the T-Mobile Arena, a fight for which the WBC created the honorary Aztec Warrior title. In July 2025, Cruz was scheduled for a rematch with Fierro, but due to Fierro’s withdrawal, he faced Omar Salcido Gamez instead.
Notable Fights and Titles
Throughout his career, Cruz has captured several regional and international titles, including the WBO Inter-Continental lightweight title in April 2022 after knocking out former unified featherweight champion Yuriorkis Gamboa. He also won the vacant WBC Silver lightweight title in September 2022 by defeating Eduardo Ramirez with a knockout in the second round. Cruz successfully defended this title in July 2023 against Giovanni Cabrera, winning by split decision in a closely contested bout.
Driving Style and Strengths
Isaac Cruz is known for his aggressive, come-forward fighting style, often applying relentless pressure on his opponents. His orthodox stance complements his powerful left hook and combination punching ability. Cruz’s resilience and stamina allow him to maintain intensity throughout fights, making him a formidable opponent in both lightweight and light welterweight divisions.
Notable Events and Milestones
Cruz’s victory over Rolando Romero to claim the WBA super lightweight title stands out as a career-defining moment. Additionally, his ability to go the distance with elite fighters like Gervonta Davis, despite a loss, demonstrated his toughness and skill at the highest level. His capture of multiple regional titles and defenses further solidify his status as a top contender in his weight classes.
Isaac Cruz Career Wins
Isaac Cruz has accumulated 28 professional wins out of 33 fights, with 18 victories coming by way of knockout. His record includes 3 losses and 2 draws, reflecting a competitive career against high-caliber opponents in the lightweight and light welterweight divisions.
WBA Super Lightweight Highlights
Cruz’s most notable achievement in the WBA super lightweight division was his knockout victory over Rolando Romero in March 2024 to claim the title. This win showcased his power and tactical prowess. Although he lost the title in his first defense, Cruz remained a prominent figure in the division, continuing to secure significant wins and maintain his ranking.
Other Wins & Performances
Beyond his world title bouts, Cruz has earned important regional titles such as the WBC Silver lightweight and WBO Inter-Continental lightweight championships. His knockout of Yuriorkis Gamboa and victories over Eduardo Ramirez and Giovanni Cabrera highlight his ability to compete and succeed against experienced and skilled opponents.
Isaac Cruz Family
Family Background and Racing Lineage
There is limited public information regarding Isaac Cruz’s family background or any boxing lineage. His rise in the sport appears driven by personal dedication and talent.
Personal Life
Details about Isaac Cruz’s personal life, including marital status and children, are not publicly available. He maintains a professional focus on his boxing career.
2025 Season Performance
In 2025, Isaac Cruz has continued to compete at a high level, holding the WBC interim super lightweight title since July. His scheduled rematch against Angel Fierro was canceled due to Fierro’s medical emergency, leading Cruz to face Omar Salcido Gamez instead. Cruz’s performances this year demonstrate his resilience and commitment to maintaining his status among the top fighters in his division. His aggressive style and tactical adjustments remain key factors in his ongoing success and prospects for future title defenses and unification bouts.