Here is a list of Duno's best fights. For a list of Duno's losses, refer to "Romero Duno Losses".
On September 10, 2016 Romero Duno faced off against Paiboon Lorkham in a super-featherweight bout at age 20. He was coming in with a record of 11-1 (10). Duno stopped Paiboon Lorkham via KO.
On March 10, 2017 Romero Duno faced off against Christian Gonzalez in a lightweight bout at age 21. He was coming in with a record of 13-1 (12). Duno stopped Christian Gonzalez via KO.