Golovkin will defend his middleweight world title against European champion Proksa in the main event Sept. 1 of a "Boxing After Dark" doubleheader on HBO at Turning Stone Casino in Verona, N.Y.
Watch Gennady Golovkin vs. Grzegorz Proksa Online
Gennady Golovkin vs. Grzegorz Proksa is not available for streaming at this moment.
