Gennady Golovkin – or GGG as he’s known in the business – is currently one of the best boxers around, ho  holding the unified WBA (Super), WBC, IBF and IBO middleweight titles but he’s scheduled to face a big test this Saturday when he takes on Kell Brook.

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GGG has won 32 out of his 35 professional fights via knockout, so to get you pumped up for the fight on Saturday here’s a compilation of some of the best from his career so far:

Oof – some of that is completely brutal and just shows what a savage boxer GGG is. Hopefully we’ll be seeing more of the same on Saturday. We know who our money’s on.

For more of the same, check out Floyd Mayweather’s 24 most vicious knockouts.