Hamburg, Germany - WBO/IBF/IBO/WBA heavyweight champion Wladimir Klitschko made his punches count, scoring four knowdowns with 17 landed power punches vs. the statuesque Pulev, who had his moments early before walking into several rarely-used Klitschko left hooks. The fight was finally waved off in the fifth round, when Pulev went down and out for the fourth knockdown.