Watch Gennady Golovkin vs. Grzegorz Proksa Online Avalaible Now [ FREE ] Select your Language : 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 movie online - EN Watch Movie trailer Download Links - EN Language SD Quality - EN HQ Quality - EN HD Quality - EN HD Quality - EN 4K Quality - EN 8K Quality - EN