MMA Fighting’s 2017 Knockout of the Year: Francis Ngannou’s ‘uppercut from hell’ crushes Alistair Overeem

Source: 
https://www.mmafighting.com/2018/1/3/16823618/mma-fightings-2017-knockout-of-the-year-francis-ngannous-uppercut-from-hell-crushes-alistair-overeem