2017 may go down as the year of the knee. Check out this highlight reel of brutal knees executed with killer precision. Warning – we suffered a concussion from just watching.
MMA: The Knees of 2017. 2:20 of brutal knee knockouts (by @Grabaka_Hitman) #YearoftheKnee pic.twitter.com/JsDB9BHzdd
— Streetfight Bancho (@streetfitebanch) December 27, 2017
