They're saying the dude with the cellphone actually pulled up to Suge in his car, pulled a metal pipe out of his trunk, and whacked him in the back of the head.

AllHipHop.com Daily News - : More Details, Video In Suge Knight Assault

That makes more sense. Suge is a freakin' monster, and I didn't anyone (except for maybe Kimbo Slice) could take that man down with one punch. But a metal pole, on the other hand, would make quick work of the man.