The 39-year-old earned a victory in his debut bout on Saturday night, needing just 21 seconds to defeat Mathieu Bergeron.
Fighting as a southpaw, Brashear rocked Bergeron early with a left hand to the chin and looked to finish on the ground with a series of strikes from the top. Bergeron momentarily worked free and tried find a way back to his feet, but stumbled across the cage and Brashear followed him, landed several more punches and the referee called an end to the action.
Video of the fight is below.
Brashear's debut came as the co-main event of the Ringside 11 event in Quebec. Bergeron was also fighting for the first time.
Afterward, Brashear, who signed a three-fight deal with the promotion, said he would fight again.
In the night's main event, former UFC middleweight star Patrick Cote won his second straight bout since leaving MMA's biggest promotion. Cote defeated Todd Brown via unanimous decision to improve to 15-7.
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