by Alexey Sukachev

Russia - In a dreadful and highly unwatchable fight, labeled Corrida - WBA #9 super middleweight Andrey Sirotkin (14-0, 4 KOs) scored the biggest win of his career, when Nicaraguan bombshell Ricardo Mayorga (32-10-1, 26 KOs) retired in his corner after nine complete rounds.

Mayorga, 44, nicknamed El Matador, showed glimpses of his best self in the opening round, rocking Sirotkin with a couple of sudden outbursts. It was all what was left of the former multi-title welterweight and the WBC light middleweight champion of the world.

Sirotkin, 32, started to land at will in round two, but when you have 3 knockouts in 13 fights it doesn't help you much against bravado and machismo of the Nicaragua's most flamboyant boxer in history.

Andrey "The Russian Bull" Sirotkin continued cautious drubbing of Mayorga in subsequent rounds. The Nicaraguan was often found in corners and at the ropes. He ate his share of big punches, avoided some but was unable to connect with meaningful shots of his own.

All rounds were almost identical, with considerable advantage of Sirotkin, 32, though El Matador has never been really wobbled or rocked. However he chose to retire in his corner after nine rounds citing a damaged right hand. Sirotkin acquired a vacant WBA International title in process.

Moscow-based Cuban defector named Oliesky Guerrero made an unsuccessful pro boxing debut being stopped at 1:22 of the second round by big Basir Abakarov (2-0, 2 KOs). The fight was one-sided in favour of Abakarov, who troubled Guerrero in the first before finishing him off with a combination of punches in the second.

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IBF #2, WBA #6 and WBO #9 cruiserweight Ruslan Fayfer (22-0, 15 KOs) was cautious in the opening round before exploding with a thunderous left hook to the liver midst into the second, which had his overmatched Ghanaian opponent Isaac Ankrah (13-6, 11 KOs) down and out for a count. Time of stoppage was 1:23. The Russian boxer positioned himself for a future world title shot.