NEW YORK, NY - APRIL 16: Krzysztof Glowacki knocks down Steve Cunningham during their WBO cruiserweight championship bout at Barclays Center on April 16, 2016 in the Brooklyn borough of New York City. (Photo by Elsa/Getty Images)
NEW YORK, NY - APRIL 16: Krzysztof Glowacki knocks down Steve Cunningham during their WBO cruiserweight championship bout at Barclays Center on April 16, 2016 in the Brooklyn borough of New York City. (Photo by Elsa/Getty Images)