Ronaldo Souza has 10 losses against 10 opponents on his MMA record. For a list of Souza's best fights, refer to "Best fights of Ronaldo Souza".
On May 15, 2021 Ronaldo Souza faced off against André Muniz in a middleweight bout at age 41. He was coming in with a record of 26-10 (20), and Muniz was 31 years old and with a record of 20-4 (17). Souza lost the fight via 1st-round choke-out.
On December 12, 2020 Ronaldo Souza faced off against Kevin Holland in a middleweight bout at age 41. He was coming in with a record of 26-9 (20), and Holland was 28 years old and with a record of 20-5 (16). Souza lost the fight via 1st-round KO.
On November 16, 2019 Ronaldo Souza faced off against Jan Błachowicz in a light-heavyweight bout at age 39. He was coming in with a record of 26-8 (20), and Błachowicz was 36 years old and with a record of 24-8 (15). Souza lost the fight via 5-round split decision.
On April 27, 2019 Ronaldo Souza faced off against Jack Hermansson in a middleweight bout at age 39. He was coming in with a record of 26-7 (20), and Hermansson was 30 years old and with a record of 19-4 (16). Souza lost the fight via 5-round unanimous decision.
On May 12, 2018 Ronaldo Souza faced off against Kelvin Gastelum in a middleweight bout at age 38. He was coming in with a record of 25-6 (19), and Gastelum was 26 years old and with a record of 15-3 (11). Souza lost the fight via 3-round split decision.
On April 15, 2017 Ronaldo Souza faced off against Robert Whittaker in a middleweight bout at age 37. He was coming in with a record of 24-5 (18), and Whittaker was 26 years old and with a record of 17-4 (13). Souza lost the fight via 2nd-round TKO.
On December 12, 2015 Ronaldo Souza faced off against Yoel Romero in a middleweight bout at age 36. He was coming in with a record of 22-4 (16), and Romero was 38 years old and with a record of 10-1 (9). Souza lost the fight via 3-round split decision.
On September 10, 2011 Ronaldo Souza met Luke Rockhold in a middleweight (Strikeforce Championship) title defense fight. Souza was 31 years old and with a record of 14-3 (10), and Rockhold was 26 years old and with a record of 7-1 (7). Souza lost the fight via 5-round unanimous decision and lost the title.
On September 23, 2008 Ronaldo Souza fought Gegard Mousasi in a middleweight title fight for the DREAM Championship title. Souza was 28 years old and with a record of 10-2 (8), and Mousasi was 23 years old and with a record of 23-2-1 (21). Souza lost the fight via 1st-round KO.
On September 13, 2003 Ronaldo Souza faced off against Jorge Patino at age 23. He was coming in with a record of 0-1 (0), and Patino was 30 years old and with a record of 18-5-1 (18). Souza lost the fight via 1st-round KO.
