Melquizael Costa has seven losses against seven opponents on his MMA record. For a list of Costa's best fights, refer to "Best fights of Melquizael Costa".
On December 9, 2023 Melquizael Costa faced off against Steve Garcia in a lightweight bout at age 27. He was coming in with a record of 18-7 (12), and Garcia was 31 years old and with a record of 14-5 (11). Costa lost the fight via 2nd-round TKO.
On January 21, 2023 Melquizael Costa faced off against Thiago Moisés in a lightweight bout at age 26. He was coming in with a record of 17-6 (12), and Moisés was 27 years old and with a record of 16-6 (10). Costa lost the fight via 2nd-round submission.
On May 13, 2022 Melquizael Costa faced off against Italo Gomes in a lightweight bout at age 25. He was coming in with a record of 15-5 (10). Costa lost the fight via 3-round unanimous decision.
On December 21, 2018 Melquizael Costa faced off against Marcos Vinicius in a featherweight bout at age 22. He was coming in with a record of 10-4 (7). Costa lost the fight via 3-round unanimous decision.
On August 18, 2018 Melquizael Costa faced off against Rafael Barbosa in a lightweight bout at age 21. He was coming in with a record of 9-3 (6). Costa lost the fight via 3rd-round submission.
On December 30, 2017 Melquizael Costa faced off against Antônio Monteiro in a featherweight bout at age 21. He was coming in with a record of 9-2 (6). Costa lost the fight via 3-round unanimous decision.
On March 10, 2017 Melquizael Costa faced off against Elismar Lima in a featherweight bout at age 20. He was coming in with a record of 6-1 (4). Costa lost the fight via 1st-round TKO.
