In front of 12,000 plus people WBC Heavyweight champion Deontay Wilder (36-0 35 KOs) brutally knocked out  Artur Szpilka (20-2 15 KOs) in the ninth round with a brutal counter right hook that landed perfectly on Szpilka’s chin leaving Szpilka motionless for what felt like minutes on Saturday at Barclays Center in