Julio César Chávez Jr. has seven losses against seven opponents on his boxing record. For a list of Chávez Jr.'s best fights, refer to "Best fights of Julio César Chávez Jr.".
On June 28, 2025 Julio César Chávez Jr. faced off against Jake Paul at age 39. He was coming in with a record of 54-7-1 (34), and Paul was 28 years old and with a record of 11-1 (7). Chávez Jr. lost the fight via 10-round unanimous decision.
On June 19, 2021 Julio César Chávez Jr. faced off against Anderson Silva at age 35. He was coming in with a record of 52-6-1 (34), and Silva was 46 years old and with a record of 1-1 (1). Chávez Jr. lost the fight via 8-round split decision.
On September 25, 2020 Julio César Chávez Jr. faced off against Mario Abel Cazares at age 34. He was coming in with a record of 51-5-1 (33), and Cazares was 30 years old and with a record of 11-0 (5). Chávez Jr. lost the fight via 6-round technical decision.
On December 20, 2019 Julio César Chávez Jr. faced off against Daniel Jacobs at age 33. He was coming in with a record of 51-4-1 (33), and Jacobs was 32 years old and with a record of 35-3 (29). Chávez Jr. lost the fight via 5th-round retirement.
On May 6, 2017 Julio César Chávez Jr. faced off against Canelo Álvarez at age 31. He was coming in with a record of 50-3-1 (32), and Álvarez was 26 years old and with a record of 48-1-1 (34). Chávez Jr. lost the fight via 12-round unanimous decision.
On April 18, 2015 Julio César Chávez Jr. faced off against Andrzej Fonfara in a light-heavyweight bout at age 29. He was coming in with a record of 48-2-1 (32), and Fonfara was 27 years old and with a record of 26-3 (15). Chávez Jr. lost the fight via 9th-round retirement.
On September 15, 2012 Julio César Chávez Jr., the WBC champion, met Sergio Martínez, the The Ring champion, in a middleweight world-title unification fight. Chávez Jr. was 26 years old and with a record of 46-1-1 (32), and Martínez was 37 years old and with a record of 49-2-2 (28). Chávez Jr. lost the fight via 12-round unanimous decision and lost his title.
