Trailer: Gennady Golovkin vs. Grzegorz Proksa
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.
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.