On March 30, 2024, a 25-year-old Isaac Cruz (25-2-1, 17 KOs) got a shot at the WBA super-lightweight title held by 28-year-old American boxer Rolando Romero (15-1, 13 KOs).
Cruz came in to the fight on a 3-fight win streak with a 60% KO rate, and was fighting after a gap of 8 months and 1 day. Romero was on a 1-fight win streak with a 81% KO rate, and fighting after a layoff of 10 months and 17 days.
Isaac Cruz stopped the champion via TKO in the 8th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBA super-lightweight champion. Cruz improves his record to 26-2-1 (18 KOs), while Romero adds a loss to his record at 15-2.
On September 4, 2022, a 24-year-old Isaac Cruz (23-2-1, 16 KOs) and a 29-year-old fellow Mexican boxer Eduardo Ramirez (27-2-3, 12 KOs) met in the ring in a lightweight bout.
Cruz came in to the fight on a 1-fight win streak with a 61% KO rate, and was fighting after a gap of 4 months and 19 days. Ramirez was on a 5-fight win streak with a 37% KO rate, and fighting after a layoff of 3 months and 7 days.
Isaac Cruz stopped Eduardo Ramirez via KO in the 2nd round. Cruz improves his record to 24-2-1 (17 KOs), while Ramirez adds a loss to his record at 27-3-3.
On December 5, 2021, a 23-year-old Isaac Cruz (22-1-1, 15 KOs) got a shot at the lightweight WBA (Regular) title held by 27-year-old American boxer Gervonta Davis (25-0, 24 KOs).
Cruz came in to the fight on a 11-fight win streak with a 62% KO rate, and was fighting after a gap of 5 months and 16 days. Davis was on a 25-fight win streak with a 96% KO rate, and fighting after a layoff of 5 months and 9 days.
Gervonta Davis defeated Isaac Cruz via unanimous decision and successfully defended his WBA (Regular) lightweight title. Davis improves his record to 26-0, while Cruz adds a loss to his record at 22-2-1.
On October 31, 2020, a 22-year-old Isaac Cruz (19-1-1, 14 KOs) and Diego Magdaleno met in the ring.
Cruz came in to the fight on a 8-fight win streak with a 66% KO rate, and was fighting after a gap of 8 months and 17 days.
Isaac Cruz stopped Diego Magdaleno via KO in the 1st round. Cruz improves his record to 20-1-1 (15 KOs)
On April 16, 2022, a 23-year-old Isaac Cruz (22-2-1, 15 KOs) and a 40-year-old Cuban boxer Yuriorkis Gamboa (30-4, 18 KOs) met in the ring in a lightweight bout.
Cruz came in to the fight on a 1-fight losing streak with a 60% KO rate, and was fighting after a gap of 4 months and 11 days. Gamboa was on a -2-fight win streak with a 52% KO rate, and fighting after a layoff of 1 year, 5 months, and 9 days.
Isaac Cruz stopped Yuriorkis Gamboa via TKO in the 5th round. Cruz improves his record to 23-2-1 (16 KOs), while Gamboa adds a loss to his record at 30-5.
On July 29, 2023, a 25-year-old Isaac Cruz (24-2-1, 17 KOs) and a 29-year-old American boxer Giovanni Cabrera (21-0, 7 KOs) met in the ring in a lightweight bout.
Cruz came in to the fight on a 2-fight win streak with a 63% KO rate, and was fighting after a gap of 10 months and 25 days. Cabrera was on a 21-fight win streak with a 33% KO rate, and fighting after a layoff of 1 year and 6 days.
Isaac Cruz defeated Giovanni Cabrera via split decision in the 12-round lightweight fight. Cruz improves his record to 25-2-1, while Cabrera adds a loss to his record at 21-1.
On November 10, 2018, a 20-year-old Isaac Cruz (15-1-1, 12 KOs) and a 26-year-old fellow Mexican boxer Jose Felix (37-3-1, 28 KOs) met in the ring.
Cruz came in to the fight on a 4-fight win streak with a 70% KO rate, and was fighting after a gap of 1 month and 4 days. Félix Jr. was on a 1-fight win streak with a 68% KO rate, and fighting after a layoff of 2 months and 23 days.
Isaac Cruz stopped Jose Felix via TKO in the 3rd round. Cruz improves his record to 16-1-1 (13 KOs), while Félix Jr. adds a loss to his record at 37-4-1.
On April 2, 2016, a 17-year-old Isaac Cruz (5-1, 3 KOs) and Italo Ortiz met in the ring.
Cruz came in to the fight on a 1-fight losing streak with a 50% KO rate, and was fighting after a gap of 1 month and 27 days.
Isaac Cruz stopped Italo Ortiz via TKO in the 1st round. Cruz improves his record to 6-1 (4 KOs)
On February 16, 2019, a 20-year-old Isaac Cruz (16-1-1, 13 KOs) and Eleazar Valenzuela met in the ring.
Cruz came in to the fight on a 5-fight win streak with a 72% KO rate, and was fighting after a gap of 3 months and 6 days.
Isaac Cruz stopped Eleazar Valenzuela via KO in the 1st round. Cruz improves his record to 17-1-1 (14 KOs)
On October 6, 2018, a 20-year-old Isaac Cruz (14-1-1, 11 KOs) and Jose Angel Flores Chan met in the ring.
Cruz came in to the fight on a 3-fight win streak with a 68% KO rate, and was fighting after a gap of 3 months and 20 days.
Isaac Cruz stopped Jose Angel Flores Chan via KO in the 1st round. Cruz improves his record to 15-1-1 (12 KOs)