Gustavo Lopez has eight losses against eight opponents on his MMA record. For a list of Lopez's best fights, refer to "Best fights of Gustavo Lopez".
On October 7, 2023 Gustavo Lopez faced off against Beno Adamia in a bantamweight bout at age 34. He was coming in with a record of 13-8-1 (12). Lopez lost the fight via 3-round unanimous decision.
On April 15, 2023 Gustavo Lopez fought Jonas Mågård in a bantamweight title fight for Mågård's Oktagon Championship title. Lopez was 33 years old and with a record of 13-7-1 (12). Lopez lost the fight via 2nd-round TKO.
On March 20, 2021 Gustavo Lopez faced off against Adrian Yañez in a bantamweight bout at age 31. He was coming in with a record of 12-6 (11), and Yañez was 27 years old and with a record of 12-3 (9). Lopez lost the fight via 3rd-round KO.
On June 13, 2020 Gustavo Lopez faced off against Merab Dvalishvili in a bantamweight bout at age 30. He was coming in with a record of 11-5 (10), and Dvalishvili was 29 years old and with a record of 10-4 (3). Lopez lost the fight via 3-round unanimous decision.
On September 14, 2018 Gustavo Lopez faced off against José Alday in a bantamweight bout at age 29. He was coming in with a record of 8-4 (7). Lopez lost the fight via 3-round split decision.
On February 24, 2018 Gustavo Lopez faced off against Andre Ewell in a bantamweight bout at age 28. He was coming in with a record of 8-3 (7), and Ewell was 30 years old and with a record of 10-4 (8). Lopez lost the fight via 1st-round KO.
On October 14, 2016 Gustavo Lopez faced off against John Castañeda in a bantamweight bout at age 27. He was coming in with a record of 6-2 (5), and Castañeda was 24 years old and with a record of 11-2 (8). Lopez lost the fight via 4th-round TKO.
On April 27, 2013 Gustavo Lopez faced off against Kasey White in a featherweight bout at age 23. He was coming in with a record of 1-1 (1). Lopez lost the fight via 3-round unanimous decision.