Gennadiy Golovkin raises his arm after defeating Sergiy Derevyanchenko by decision in their IBF middleweight championship title bout at Madison Square Garden. AP Photo
Gennady Golovkin, left, exchanges punches with Sergiy Derevyanchenko during their IBF middleweight title bout at Madison Square Garden. AFP
Gennadiy Golovkin, left, is hit by Sergiy Derevyanchenko during the seventh round of an IBF middleweight championship title bout at Madison Square Garden. AP Photo
Gennady Golovkin knocks down Sergiy Derevyanchenko in the first round during their IBF middleweight title bout at Madison Square Garden. AFP
Sergiy Derevyanchenko punches Gennady Golovkin during their IBF middleweight title bout at Madison Square Garden. AFP
Sergiy Derevyanchenko punches Gennady Golovkin during their IBF middleweight title bout at Madison Square Garden. AFP
Gennady Golovkin exchanges punches with Sergiy Derevyanchenko during their IBF middleweight title bout at Madison Square Garden. AFP
Gennady Golovkin punches Sergiy Derevyanchenko during their IBF middleweight title bout at Madison Square Garden. AFP
Gennadiy Golovkin and Sergiy Derevyanchenko react after the IBF World Middleweight Championship boxing match at Madison Square Garden. Reuters
Sergiy Derevyanchenko waves to the fans following his loss to Gennady Golovkin in the IBF middleweight title bout at Madison Square Garden. AFP
Gennady Golovkin embraces Sergiy Derevyanchenko following their IBF middleweight title bout at Madison Square Garden. AFP
Gennadiy Golovkin raises his arm after defeating Sergiy Derevyanchenko by decision in their IBF middleweight championship title bout at Madison Square Garden. AP Photo
Gennady Golovkin, left, exchanges punches with Sergiy Derevyanchenko during their IBF middleweight title bout at Madison Square Garden. AFP
Gennadiy Golovkin, left, is hit by Sergiy Derevyanchenko during the seventh round of an IBF middleweight championship title bout at Madison Square Garden. AP Photo
Gennady Golovkin knocks down Sergiy Derevyanchenko in the first round during their IBF middleweight title bout at Madison Square Garden. AFP
Sergiy Derevyanchenko punches Gennady Golovkin during their IBF middleweight title bout at Madison Square Garden. AFP
Sergiy Derevyanchenko punches Gennady Golovkin during their IBF middleweight title bout at Madison Square Garden. AFP
Gennady Golovkin exchanges punches with Sergiy Derevyanchenko during their IBF middleweight title bout at Madison Square Garden. AFP
Gennady Golovkin punches Sergiy Derevyanchenko during their IBF middleweight title bout at Madison Square Garden. AFP
Gennadiy Golovkin and Sergiy Derevyanchenko react after the IBF World Middleweight Championship boxing match at Madison Square Garden. Reuters
Sergiy Derevyanchenko waves to the fans following his loss to Gennady Golovkin in the IBF middleweight title bout at Madison Square Garden. AFP
Gennady Golovkin embraces Sergiy Derevyanchenko following their IBF middleweight title bout at Madison Square Garden. AFP
Gennadiy Golovkin raises his arm after defeating Sergiy Derevyanchenko by decision in their IBF middleweight championship title bout at Madison Square Garden. AP Photo