BoxingMMA
MartialBot on Google Play

Joseph Diaz Losses

Joseph Diaz has eight losses against eight opponents on his boxing record. For a list of Diaz's best fights, refer to "Best fights of Joseph Diaz".

  1. 8. Joseph Diaz loses to Regis Prograis via unanimous decision

    On August 2, 2025 Joseph Diaz faced off against Regis Prograis in a lightweight bout at age 32. He was coming in with a record of 33-8-1 (15), and Prograis was 36 years old and with a record of 29-3 (24). Diaz lost the fight via 10-round unanimous decision.

  2. 7. Joseph Diaz loses to Abraham Montoya via split decision

    On November 9, 2024 Joseph Diaz faced off against Abraham Montoya in a lightweight bout at age 31. He was coming in with a record of 33-7-1 (15). Diaz lost the fight via 10-round split decision.

  3. 6. Joseph Diaz loses to Oscar Duarte via KO

    On April 27, 2024 Joseph Diaz faced off against Oscar Duarte in a super-lightweight bout at age 31. He was coming in with a record of 33-6-1 (15), and Duarte was 28 years old and with a record of 26-2-1 (21). Diaz lost the fight via 9th-round KO.

  4. 5. Joseph Diaz loses to Jesus Antonio Perez Campos via split decision

    On February 15, 2024 Joseph Diaz faced off against Jesus Antonio Perez Campos in a lightweight bout at age 31. He was coming in with a record of 33-5-1 (15). Diaz lost the fight via 10-round split decision.

  5. 4. Joseph Diaz loses to Mercito Gesta via split decision

    On March 18, 2023 Joseph Diaz faced off against Mercito Gesta in a lightweight bout at age 30. He was coming in with a record of 32-4-1 (15), and Gesta was 35 years old and with a record of 33-3-3 (17). Diaz lost the fight via 10-round split decision.

  6. 3. Joseph Diaz loses to William Zepeda via unanimous decision

    On October 29, 2022 Joseph Diaz faced off against William Zepeda in a lightweight bout at age 29. He was coming in with a record of 32-3-1 (15), and Zepeda was 26 years old and with a record of 26-0 (23). Diaz lost the fight via 12-round unanimous decision.

  7. 2. Joseph Diaz loses to Devin Haney via unanimous decision

    On December 4, 2021 Joseph Diaz fought Devin Haney in a lightweight world-title fight for Haney's WBC title. Diaz was 29 years old and with a record of 32-2-1 (15), and Haney was 23 years old and with a record of 26-0 (15). Diaz lost the fight via 12-round unanimous decision.

  8. 1. Joseph Diaz loses to Gary Russell Jr. via unanimous decision

    On May 19, 2018 Joseph Diaz fought Gary Russell Jr. in a featherweight world-title fight for Russell Jr.'s WBC title. Diaz was 25 years old and with a record of 26-1 (14), and Russell Jr. was 29 years old and with a record of 28-1 (17). Diaz lost the fight via 12-round unanimous decision.