Miguel Cotto fights Willie Monroe Jnr in May . The Kazakh is hardest pound-for-pound puncher is boxing . But he wants to prove his greatness by winning over the full distance . Golovkin wants unification fight against WBC champion Gennady Golovkin .
Gennady Golovkin fights Willie Monroe Jnr in May . The Kazakh is hardest pound-for-pound puncher is boxing . But he wants to prove his greatness by winning over the full distance . Golovkin wants unification fight against WBC champion Miguel Cotto .