Prosports.kz alerts you to a video of the moment Kazakhstan's Gennady Golovkin retired from the Canadian Steve Rolls.
– Cole Cubelic (@colecubelic) June 9, 2019
Note that Golovkin has now won 39 wins in 41 bouts (35 by knockout) and was declared a loser each time and fought a draw.
Video full of fight Golovkin – Rolls
Golovkin beat Rolls
Promoter "Kanelo" responded to Golovkin knockout
Golovkin: I just want to win Canelo, belts are not important