The greatness of Conor McGregor: Has McGregor ever been knocked out?
Conor McGregor is one of the most dominant fighters in UFC history but even he has been twice knocked out. The great Floyd Mayweather and Dustin Poirier are the only fighters who have managed to knock out McGregor. In 2017 August, McGregor took on Mayweather in "The Money Fight."...www.financial-world.org