C.J. Vergara has seven losses against seven opponents on his MMA record. For a list of Vergara's best fights, refer to "Best fights of C.J. Vergara".
On March 29, 2025 C.J. Vergara faced off against Édgar Cháirez in a flyweight bout at age 33. He was coming in with a record of 12-7-1 (7). Vergara lost the fight via 1st-round submission.
On October 12, 2024 C.J. Vergara faced off against Ramazan Temirov in a flyweight bout at age 33. He was coming in with a record of 12-6-1 (7). Vergara lost the fight via 1st-round TKO.
On March 9, 2024 C.J. Vergara faced off against Asu Almabayev in a flyweight bout at age 32. He was coming in with a record of 12-5-1 (7), and Almabayev was 30 years old and with a record of 18-2 (12). Vergara lost the fight via 3-round unanimous decision.
On October 15, 2022 C.J. Vergara faced off against Tatsuro Taira in a flyweight bout at age 31. He was coming in with a record of 10-4-1 (6), and Taira was 22 years old and with a record of 11-0 (7). Vergara lost the fight via 2nd-round submission.
On November 6, 2021 C.J. Vergara faced off against Ode' Osbourne in a flyweight bout at age 30. He was coming in with a record of 9-3-1 (6), and Osbourne was 29 years old and with a record of 9-4 (8). Vergara lost the fight via 3-round unanimous decision.
On May 25, 2018 C.J. Vergara faced off against Devin Miller in a bantamweight bout at age 26. He was coming in with a record of 4-2-1 (1). Vergara lost the fight via 1st-round submission.
On January 24, 2015 C.J. Vergara faced off against Jonathan Martinez in a flyweight bout at age 23. He was coming in with a record of 3-1 (1), and Martinez was 20 years old and with a record of 5-0 (5). Vergara lost the fight via 1-round split decision.