VIDEO: Callum Smith Demolishes Hassan N'Dam With Nasty Right-Handed KO Blow

Now THAT is what makes this super middleweight so super! Under the white-hot lights of the World's Most Famous Arena, Callum Smith answered the call in the third round of his bout against Hassan N'Dam N'Jikam in a big way. Check out this brutal strike that left simply no doubt.

BOOM. The referee had no choice but to stop this one. After the official TKO, Smith had successfully defended his WBA 168-pound title.

And how.

Tonight's big even -- unified world heavyweight champ Anthony Joshua tussling with challenger Andy Ruiz Jr. -- is still to come. But this morsel was plenty delicious in the meantime. Good looks, Callum! Remind us never to get on your bad side.