"I'm sad, I'm very sad."
Anderson Silva was so shocked by the death of rap legend DMX, he could barely find the words -- but ultimately explained how the guy made such a tremendous impact on his life.
The MMA legend -- who's boxing Julio Cesar Chavez Jr. on June 19 -- famously used DMX's "Ain't No Sunshine" as his ring walkout song for years. Watch the video below, the fans went WILD!!!!