Isaac Cruz is a Mexican professional boxer who has held the World Boxing Council interim super lightweight title since July 2025. He captured the WBA super lightweight title in 2024 and added the WBC interim title in July 2025, positioning himself as a top face in the division. His aggressive approach and heavy hands have made him a fan favorite, and he continues to train and live in Mexico City.
In 2022, he fought boxing superstar Gervonta ‘Tank’ Davis in Los Angeles, California. During his professional career, he’s fought in undercards for boxers like Leo Santa Cruz and Jermall Charlo.
Isaac Cruz Biography
| Full Name | Isaac Jonathan Cruz Gonzalez |
| Nickname | Isaac Cruz |
| Profession | Professional boxer |
| Date of Birth | 23 May 1998 |
| Age | 28 years old (as of September 2026) |
| Birth Place | Mexico City, Mexico |
| Nationality | Mexican |
| Gender | Male |
| Zodiac Sign | Gemini |
| Ethnicity | Mixed |
| Religion | Christianity |
| @isaacpitbullcurz |
Early Life
Isaac Cruz (Isaac Jonath Curz Gonzalez) was born on 23 May 1998 in Mexico City, Mexico, and his zodiac sign is Gemini. He has fond memories of a childhood spent playing in the streets with his brother and neighbors, a freedom he credits with shaping his fearless mentality. He started training at age seven, driven by a desire to stand out.
Isaac Cruz Relationships And More
Isaac Cruz is married to Estrada Santiago, who has been his rock throughout his boxing journey. The couple began dating in 2016. The couple has two children together, and Cruz makes it a priority to spend quality time with his family at parks and during outings.
| Marital Status | Married |
| Affairs/Girlfriend | Estrada Santiago |
| Spouse/Wife | Estrada Santiago |
| Children | Two sons |
Isaac Cruz Family
Isaac Cruz’s father is former professional boxer Isaac “Knockout” Cruz Sr., while his mother’s name is not widely publicized. His grandfather was also a professional boxer, making Issack Jr. a third-generation fighter.
| Father’s Name | Issac “Knockout” Cruz Sr. |
| Mother’s Name | Not known |
| Brother’s Name | One brother |
| Sister’s Name | None |
Career
After his debut victory, Cruz continued building momentum throughout 2015 and 2016. By 2017, Cruz had established himself as a rising prospect with explosive knockout power and an unwillingness to take backward steps. His breakthrough came on October 31, 2020, when he demolished former world title contender Diego in just 53 seconds at the Alamodome in San Antonio, Texas.
He followed this with victories over Jose Matias Remero and Francisco Vargas in 2021, earning a shot at WBA lightweight champion Gervonta Davis on December 5, 2021. His career reached new heights on March 30, 2024, when he moved up to super lightweight and defeated Ronaldo Remero. He lost the title to Jose Valenzuela via split decision in August 2024 bout bounced back with victories over Angel Fierro and Omar Salcido in 2025.
Isaac Cruz Height And Weight
| Height (Approx) | In centimeters – 163 cm In meters – 1.63 m In feet & inches – 5’4” |
| Weight (Approx) | In kilograms – 60 kg In pounds – 134 lbs |
| Eye Color | Brown |
| Hair Color | Brown |
Isaac Cruz Net Worth
Mexican professional boxer Isaac Cruz has an estimated net worth of around $2 million to $3 million, as of September 2026.
| Net Worth (Approx) | $2 million to $3 million (as of September 2026) |
| Annual Income (Approx) | Update soon |
| Salary (Approx) | Not a fixed salary |
| Real Estate | Not known |
| Income Sources | Fighting purses, sponsorship, etc. |
Some Interesting Facts About Isaac Cruz
- Isaac Cruz was born and raised in Mexico City, Mexico.
- After amassing a professional record of 19-1-1, Cruz took on former world title contender Diego Magdaleno.
- In his next fight on 13 March 2021, Cruz took on Jose Matis Romero for the WBA lightweight title.
- In a sloppy affair that saw Cruz dock a point in round sis for a low blow, he prevailed by unanimous decision.
- WBA lightweight champion Gervonta Davis had originally been slated to face Rolando Romero on 5 December 2021.
- He won his first boxing title after defeating Yuriorkis Gamboa on April 16, 2022.
- He has fought in undercards for boxers like Leo Santa Cruz and Jermall Charlo.
- Isaac Cruz is married to Estrada Santiago, and they share two children.
- He also previously held the World Boxing Association super lightweight title in 2024.
- Cruz made his first defense of his WBA super lightweight title against Jose Valenauela at BMO Stadium.
- Cruz faced Angel Fierro in a 10-round super lightweight bout at T-Mobile Arena in Las Vegas on February 1, 2025.
- Cruz won by unanimous decision to claim the WBC interim super-lightweight title.
FAQ:
How old is Isaac Cruz?
As of September 2026, Isaac Cruz is 28 years old.
What is Isaac Cruz’s net worth?
As of September 2026, Isaac Cruz’s net worth is around $2 million -$3 million.
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