Gennady Golovkin is the new IBF middleweight champion having claimed the vacant belt in New York with victory over Sergiy Derevyanchenko across 12 rounds by unanimous decision.

It was just the second fight back for Golovkin since he lost a unified title rematch to Saul Alvarez in Las Vegas in September last year.

Ukrainian Derevyanchenko controlled the first 75 seconds of the round one, but was then felled by an inside uppercut.

He upped his productivity and the fight became a close brawl.The Kazakhstani admitted it had been “a tough fight” after he was crowned champion with scores of 114-113, 115-112 and 115-112.