On October 31, 2020, WBA World Super Lightweight Champion Mario Barrios scored a sixth-round technical knockout victory over Ryan Karl in their scheduled 12-round bout.
Mario Barrios becomes the new WBA Super Lightweight title after a close UD win over Uzbekistan's Batyr Akhmedov.
On May 11, 2019, Mario Barrios faced off against Juan Jose Velasco in a 10-round super lightweight bout on FOX. Barrios took control of the fight early and defeated Velasco by way of knockout in the second round.
Mario Barrios sent Naim Nelson to the canvas with a hard left in the middle of the seventh round, causing referee Gary Rosato to check with the ringside doctor once more before waving off the bout.