Roberto de Souza has three losses against three opponents on his MMA record. For a list of Souza's best fights, refer to "Best fights of Roberto de Souza".
On July 30, 2023 Roberto de Souza faced off against Patricky Pitbull in a lightweight bout at age 33. He was coming in with a record of 15-3 (14), and Pitbull was 37 years old and with a record of 24-11 (17). Souza lost the fight via 3rd-round TKO.
On December 31, 2022 Roberto de Souza faced off against A. J. McKee in a lightweight bout at age 33. He was coming in with a record of 14-2 (14), and McKee was 27 years old and with a record of 19-1 (11). Souza lost the fight via 3-round unanimous decision.
On October 12, 2019 Roberto de Souza faced off against Johnny Case in a lightweight bout at age 30. He was coming in with a record of 9-1 (9), and Case was 30 years old and with a record of 26-6-1 (21). Souza lost the fight via 1st-round TKO.
