Pirog withdraws from Golovkin fight

BERN, Switzerland -- Middleweight titleholder Dmitry Pirog has withdrawn from his HBO-televised August 25th fight against Gennady Golovkin due to a back injury,

BERN, Switzerland -- Middleweight titleholder Dmitry Pirog has withdrawn from his HBO-televised August 25th fight against Gennady Golovkin due to a back injury, multiple sources told SI.com. A new opponent for Golovkin is being sought.