Here is a list of Barboza Jr.'s best fights. For a list of Barboza Jr.'s losses, refer to "Arnold Barboza Jr. Losses".
On October 17, 2020 Arnold Barboza Jr. faced off against Alex Saucedo in a super-lightweight bout at age 28. He was coming in with a record of 25-0 (10), and Saucedo was 26 years old and with a record of 30-1 (19). Barboza Jr. won the fight via 10-round unanimous decision.
On August 14, 2021 Arnold Barboza Jr. faced off against Antonio Moran in a super-lightweight bout at age 29. He was coming in with a record of 26-0 (10), and Moran was 28 years old and with a record of 26-4-1 (19). Barboza Jr. won the fight via 10-round unanimous decision.
On November 16, 2024 Arnold Barboza Jr. faced off against José Ramírez in a super-lightweight bout at age 32. He was coming in with a record of 31-0 (11), and Ramírez was 32 years old and with a record of 29-1 (18). Barboza Jr. won the fight via 10-round unanimous decision.
On February 15, 2025 Arnold Barboza Jr. fought Jack Catterall in a super-lightweight world-title fight for Catterall's WBO title. Barboza Jr. was 33 years old and with a record of 32-0 (11), and Catterall was 31 years old and with a record of 30-1 (13). Barboza Jr. won the fight via 12-round split decision and is crowned the new super-lightweight world champion.
On April 12, 2019 Arnold Barboza Jr. faced off against Mike Alvarado in a super-lightweight bout at age 27. He was coming in with a record of 21-0 (8), and Alvarado was 38 years old and with a record of 40-4 (28). Barboza Jr. stopped Mike Alvarado via KO.
On November 30, 2019 Arnold Barboza Jr. faced off against William Silva in a super-lightweight bout at age 27. He was coming in with a record of 23-0 (10), and Silva was 32 years old and with a record of 27-2 (15). Barboza Jr. stopped William Silva via KO.
On March 10, 2018 Arnold Barboza Jr. faced off against Mike Reed at age 26. He was coming in with a record of 18-0 (6), and Reed was 25 years old and with a record of 23-1 (12). Barboza Jr. won the fight via 10-round unanimous decision.
On July 15, 2022 Arnold Barboza Jr. faced off against Danielito Zorrilla in a super-lightweight bout at age 30. He was coming in with a record of 27-0 (10), and Zorrilla was 28 years old and with a record of 16-0 (12). Barboza Jr. won the fight via 10-round unanimous decision.
On February 3, 2023 Arnold Barboza Jr. faced off against José Pedraza in a super-lightweight bout at age 31. He was coming in with a record of 28-0 (10), and Pedraza was 33 years old and with a record of 29-4-1 (14). Barboza Jr. won the fight via 10-round unanimous decision.
On April 20, 2024 Arnold Barboza Jr. faced off against Seán McComb in a super-lightweight bout at age 32. He was coming in with a record of 30-0 (11), and McComb was 31 years old and with a record of 17-1 (5). Barboza Jr. won the fight via 10-round split decision.
