Two years ago NBA player Matt Barnes famously assaulted former friend and teammate Derek Fisher after a phone call from his six-year-old son tipping him off that Derek was at their house visiting their mother and Matt's ex-wife Gloria Govan [click here if you missed that].
This week after Derek revisited the incident in an interview Matt dragged Derek by the basketballs...
It all started after Matt spoke up in the Bleacher Report comment section on an Instagram post promoting the interview.
...and then Matt went to his own Instagram page and proceeded to drag.
