Radio Rahim catches the final press conference to Saturday's HBO televised doubleheader from the StubHub Center in Carson, which features WBA/IBO middleweight champion Gennady "GGG" Golovkin vs. Marco Antonio Rubio and a WBA featherweight unification between Nonito Donaire and Nicholas Walters. Hear from Golovkin, Rubio, Donaire, Walters, Top Rank CEO Bob Arum, K2 Promotions CEO Tom Loeffler, and more.