By Chris Robinson

A closer look inside of trainer Abel Sanchez’s Summit Gym in Big Bear, California as WBA middleweight champion Gennady Golovkin (26-0, 23 KO’s) puts in work ahead of his HBO-televised clash with former world title challenger Matthew Macklin (29-4, 20 KO’s).

Golovkin meets Macklin on June 29th at the MGM Grand inside of the Foxwoods Resort in Mashantucket, Connecticut.