Khalil Rountree Jr. has six losses against six opponents on his MMA record. For a list of Rountree Jr.'s best fights, refer to "Best fights of Khalil Rountree Jr.".
On October 5, 2024 Khalil Rountree Jr. fought Alex Pereira in a light-heavyweight title fight for Pereira's UFC Championship title. Rountree Jr. was 34 years old and with a record of 13-6 (9), and Pereira was 37 years old and with a record of 11-2 (9). Rountree Jr. lost the fight via 4th-round TKO.
On January 24, 2021 Khalil Rountree Jr. faced off against Marcin Prachnio in a light-heavyweight bout at age 30. He was coming in with a record of 8-5 (5), and Prachnio was 32 years old and with a record of 13-5 (11). Rountree Jr. lost the fight via 3-round unanimous decision.
On September 28, 2019 Khalil Rountree Jr. faced off against Ion Cuțelaba in a light-heavyweight bout at age 29. He was coming in with a record of 8-4 (5), and Cuțelaba was 25 years old and with a record of 14-4 (13). Rountree Jr. lost the fight via 1st-round TKO.
On November 17, 2018 Khalil Rountree Jr. faced off against Johnny Walker in a light-heavyweight bout at age 28. He was coming in with a record of 7-3 (5), and Walker was 26 years old and with a record of 14-3 (13). Rountree Jr. lost the fight via 1st-round KO.
On November 27, 2016 Khalil Rountree Jr. faced off against Tyson Pedro in a light-heavyweight bout at age 26. He was coming in with a record of 4-2 (2), and Pedro was 25 years old and with a record of 4-0 (4). Rountree Jr. lost the fight via 1st-round submission.
On July 8, 2016 Khalil Rountree Jr. faced off against Andrew Sanchez in a light-heavyweight bout at age 26. He was coming in with a record of 4-1 (2), and Sanchez was 28 years old and with a record of 7-2 (7). Rountree Jr. lost the fight via 3-round unanimous decision.
