By Matt Lieberman: Gennady Golovkin says he wants a unification fight for his next bout if he’s successful in defeating Sergiy Derevyanchenko (13-1, 10 KOs) for the vacant IBF middleweight title this Saturday on DAZN. Golovkin (39-1-1, 35 KOs) says he’s ready to put together a “business” fight against the biggest name possible. Although he’d […]