By the time he gets there, an OL is walking away from the area, Taysom Hill has his arm around a teammate's shoulder leaving that part of the brawl, and the coaches have got that area mostly calmed down. Bacau comes in and swings in someone's direction, to which #94 clocks him.
I've been in a couple fights, and I'm all about defending my brother...but you need to re-watch that clip!