On April 27, 2024, a 31-year-old Joseph Diaz (33-5-1, 15 KOs) and a 28-year-old Oscar Duarte Jurado (26-2-1, 21 KOs) met in the ring in a super-lightweight bout.
Diaz came in to the fight on a 1-fight losing streak with a 38% KO rate, and was fighting after a gap of 2 months and 12 days. Jurado was on a -1-fight win streak with a 72% KO rate, and fighting after a layoff of 4 months and 25 days.
Oscar Duarte Jurado stopped Joseph Diaz via KO in the 9th round. Jurado improves his record to 27-2-1 (22 KOs), while Diaz adds a loss to his record at 33-6-1.
On February 15, 2024, a 31-year-old Joseph Diaz (33-4-1, 15 KOs) and Jesus Perez met in the ring.
Diaz came in to the fight on a 1-fight win streak with a 39% KO rate, and was fighting after a gap of 7 months and 7 days.
Joseph Diaz lost to Jesus Perez via split decision in the 10-round fight, and adds an loss to his record at 33-5-1.
On March 18, 2023, a 30-year-old Joseph Diaz (32-3-1, 15 KOs) and a 35-year-old Filipino boxer Mercito Gesta (33-3-3, 17 KOs) met in the ring in a lightweight bout.
Diaz came in to the fight on a 2-fight losing streak with a 41% KO rate, and was fighting after a gap of 4 months and 18 days. Gesta was on a 1-fight win streak with a 43% KO rate, and fighting after a layoff of 10 months and 25 days.
Mercito Gesta defeated Joseph Diaz via split decision in the 10-round lightweight fight. Gesta improves his record to 34-3-3, while Diaz adds a loss to his record at 32-4-1.
On October 29, 2022, a 29-year-old Joseph Diaz (32-2-1, 15 KOs) and a 26-year-old Mexican boxer William Zepeda (26-0, 23 KOs) met in the ring in a lightweight bout.
Diaz came in to the fight on a 1-fight losing streak with a 42% KO rate, and was fighting after a gap of 10 months and 25 days. Zepeda was on a 26-fight win streak with a 88% KO rate, and fighting after a layoff of 5 months and 15 days.
William Zepeda defeated Joseph Diaz via unanimous decision in the 12-round lightweight fight. Zepeda improves his record to 27-0, while Diaz adds a loss to his record at 32-3-1.
On December 4, 2021, a 29-year-old Joseph Diaz (32-1-1, 15 KOs) got a shot at the lightweight WBC title held by 23-year-old Devin Haney (26-0, 15 KOs).
Diaz came in to the fight on a 1-fight win streak with a 44% KO rate, and was fighting after a gap of 4 months and 25 days. Haney was on a 26-fight win streak with a 57% KO rate, and fighting after a layoff of 6 months and 5 days.
Devin Haney defeated Joseph Diaz via unanimous decision and successfully defended his WBC lightweight title. Haney improves his record to 27-0, while Diaz adds a loss to his record at 32-2-1.
On May 19, 2018, a 25-year-old Joseph Diaz (26-0, 14 KOs) got a shot at the featherweight WBC title held by 29-year-old Gary Russell Jr. (28-1, 17 KOs).
Diaz came in to the fight on a 26-fight win streak with a 53% KO rate, and was fighting after a gap of 2 months and 27 days. Russell Jr. was on a 4-fight win streak with a 58% KO rate, and fighting after a layoff of 11 months and 29 days.
Gary Russell Jr. defeated Joseph Diaz via unanimous decision and successfully defended his WBC featherweight title. Russell Jr. improves his record to 29-1, while Diaz adds a loss to his record at 26-1.