Here is a list of Vallejos's best fights. For a list of Vallejos's losses, refer to "Kevin Vallejos Losses".
On March 14, 2026 Kevin Vallejos faced off against Josh Emmett in a featherweight bout at age 24. He was coming in with a record of 18-1 (15), and Emmett was 41 years old and with a record of 19-6 (9). Vallejos stopped Josh Emmett via TKO.
On December 13, 2025 Kevin Vallejos faced off against Giga Chikadze in a featherweight bout at age 24. He was coming in with a record of 17-1 (14), and Chikadze was 37 years old and with a record of 15-5 (10). Vallejos stopped Giga Chikadze via KO.
On March 15, 2025 Kevin Vallejos faced off against Choi Seung-woo in a featherweight bout at age 23. He was coming in with a record of 15-1 (13). Vallejos stopped Choi Seung-woo via TKO.
On August 2, 2025 Kevin Vallejos faced off against Danny Silva in a featherweight bout at age 23. He was coming in with a record of 16-1 (13). Vallejos won the fight via 3-round unanimous decision.
On May 13, 2023 Kevin Vallejos faced off against Luiz Eduardo Garagorri in a featherweight bout at age 21. He was coming in with a record of 11-0 (9), and Garagorri was 33 years old and with a record of 14-2 (11). Vallejos stopped Luiz Eduardo Garagorri via TKO.
