Fabrício Guerreiro has five losses against five opponents on his MMA record. For a list of Guerreiro's best fights, refer to "Best fights of Fabrício Guerreiro".
On March 18, 2017 Fabrício Guerreiro faced off against Efrain Escudero in a featherweight bout at age 26. He was coming in with a record of 21-5 (19), and Escudero was 31 years old and with a record of 26-12 (15). Guerreiro lost the fight via 3-round unanimous decision.
On April 10, 2015 Fabrício Guerreiro faced off against John Macapá in a featherweight bout at age 24. He was coming in with a record of 20-4 (18), and Macapá was 28 years old and with a record of 17-1-2 (13). Guerreiro lost the fight via 3-round split decision.
On October 11, 2013 Fabrício Guerreiro faced off against Patricio Freire in a featherweight bout at age 23. He was coming in with a record of 19-3 (17). Guerreiro lost the fight via 3-round unanimous decision.
On February 7, 2013 Fabrício Guerreiro faced off against Magomedrasul Khasbulaev in a featherweight bout at age 22. He was coming in with a record of 17-2 (16), and Khasbulaev was 26 years old and with a record of 18-5 (16). Guerreiro lost the fight via 2nd-round submission.
On July 16, 2011 Fabrício Guerreiro faced off against Rafael Addario at age 20. He was coming in with a record of 12-1 (11). Guerreiro lost the fight via 1st-round TKO.
