In the waning seconds of the fifth round , Briedis landed a clean right uppercut on Charr 's chin , instantly turning out his lights .
Briedis , an unbeaten heavyweight , took on his first legitimate opponent in ex-title challenger Charr and absolutely ruined him by spectacular knockout .
In the waning seconds of the fifth round , heavyweight landed a clean right uppercut on challenger 's chin , instantly turning out his lights .
Briedis , an unbeaten heavyweight , took on his first legitimate opponent in ex-title challenger Charr and absolutely ruined him by spectacular knockout .