Name: Gennady Golovkin: Top 5 biggest knockouts
Uploaded: 2018-09-04T07:55:27.517Z
Duration: 1 min 5 s
Description: Gennady 'GGG' Golovkin is a knockout machine! Relive his most famous KOs ahead of his highly-anticipated rematch against Canelo Alvarez, exclusively live on BT Sport Box Office HD.