Billy Joe Saunders will defend WBO middleweight title on September 16

• Billy Joe Saunders will defend his WBO middleweight title at the Copperbox in London on September 16
• He will take on Gennady Golovkin opponent Wille Monroe Jr
• Promoter Frank Warren confident if he wins Saunders will take on the GGG-Canelo victor
• Watch the fiery press conference below