José Matias Romero has three losses against three opponents on his boxing record. For a list of Romero's best fights, refer to "Best fights of José Matias Romero".
On October 29, 2022 José Matias Romero faced off against Robeisy Ramírez in a super-featherweight bout at age 26. He was coming in with a record of 26-3 (9), and Ramírez was 28 years old and with a record of 10-1 (6). Romero lost the fight via 9th-round TKO.
On October 30, 2021 José Matias Romero faced off against Michel Rivera at age 25. He was coming in with a record of 24-2 (8), and Rivera was 23 years old and with a record of 21-0 (14). Romero lost the fight via 10-round unanimous decision.
On March 13, 2021 José Matias Romero faced off against Isaac Cruz at age 24. He was coming in with a record of 24-1 (8), and Cruz was 22 years old and with a record of 20-1-1 (15). Romero lost the fight via 12-round unanimous decision.
