

WBA middleweight champion Gennady Golovkin of Kazakhstan is seen during his press conference in Kiev, Ukraine, in this May 7, 2012 file photo. Golovkin (23-0, 20 KOs) makes his American debut Saturday night, Sept. 1, 2012, fighting Poland's Grzegorz Proksa at a casino in upstate New York.
© (AP Photo/Efrem Lukatsky, File)
VERONA, N.Y. — Kazakhstan's Gennady Golovkin defended his WBA and IBO middleweight belts with his 11th consecutive victory on Saturday, stopping Poland's Grzegorz Proksa in the fifth round of an impressive American debut.
Golovkin (24-0, 21 KOs) battered his Polish opponent in every round, dropping Proksa (28-2) in the first and fourth rounds before the referee halted the bout.
Golovkin is a Kazakh-born fighter who lives in Germany and trains in California. He had never fought in the U.S. before this bout at a casino in upstate New York, but he is determined to become a stateside star.
Golovkin is ranked among the world's top middleweights, although his talent could make him unattractive to the winner of the showdown between's the division's best: Sergio Martinez vs. Julio Cesar Chavez Jr. on Sept. 15.