BEHIND-THE-SCENES SCUFFLE
Tensions were at an all-time high when Austin McBroom and AnEsonGib visited the TMZ office on Monday ... with the two YouTube superstars getting in a heated confrontation ahead of their boxing match.
Austin and Gib came to our HQ for a sit-down interview leading up to the Social Gloves event at Banc of California Stadium on Sep. 10 ... and while things started off cordial, the mood quickly changed as both sides unloaded smack talk.
McBroom started it off by saying Gib looks too small to last in the ring with him .