The brute who beat a Manhattan pizzeria manager unconscious in a senseless attack nearly derailed his own plea deal Thursday — when he brazenly started blaming the victim, infuriating the judge. Tyshaun Watson, who had pleaded guilty in exchange for a promised 17-year prison sentence, launched into a wild rant during the Manhattan Supreme Court hearing, claiming he’d been “provoked” before he pummeled pizza-maker Zakaira El Sherief. “I was being provoked… if you watch the video,” he railed — until Judge Laura Ward interrupted and shot back at him that “Maybe we should go to trial on this and let...