Johnny Muñoz Jr. has four losses against four opponents on his MMA record. For a list of Muñoz Jr.'s best fights, refer to "Best fights of Johnny Muñoz Jr.".
On October 7, 2023 Johnny Muñoz Jr. faced off against Aori Qileng in a bantamweight bout at age 30. He was coming in with a record of 12-4 (9), and Qileng was 30 years old and with a record of 24-11 (9). Muñoz Jr. lost the fight via 3-round unanimous decision.
On June 3, 2023 Johnny Muñoz Jr. faced off against Daniel Santos in a bantamweight bout at age 30. He was coming in with a record of 12-3 (9). Muñoz Jr. lost the fight via 3-round unanimous decision.
On June 4, 2022 Johnny Muñoz Jr. faced off against Tony Gravely in a bantamweight bout at age 29. He was coming in with a record of 11-2 (9), and Gravely was 30 years old and with a record of 22-7 (12). Muñoz Jr. lost the fight via 1st-round KO.
On August 1, 2020 Johnny Muñoz Jr. faced off against Nate Maness in a featherweight bout at age 27. He was coming in with a record of 10-1 (8), and Maness was 29 years old and with a record of 11-1 (6). Muñoz Jr. lost the fight via 3-round unanimous decision.
