Mayura Dissanyake’s heroic story went viral earlier this year when he used his MMA training to stop an attempted robbery at the Houston convenience store where he worked. Now, he’s back — but this time he’s fighting in the ring.

In his second fight, Dissanyake scored an impressive 18-second knockout against his opponent Jaime Garcia. Watch the video here:

(H/T: BJPenn.com)

Other Must-Read Stories