By Alexey Sukachev

Rostock, Mecklenburg-Vorpommern, Germany --- What defines a champion? At the very end it all comes to a simple formula: champion is one who leaves with the belt after a fight. Another proof has been got tonight in Rostock, Germany, where defending WBA "regular" light heavyweight champion Juergen Braehmer successfully retained his regalia with a tenth-round stoppage of Robin Krasniqi, who boxed his best in the fight and dragged the champion in deep waters. But not deep enough for the belt to flow away from its holder.

After a hard first round, WBO #1 and WBA #2 rated 175lber Krasniqi, 27, who was riding a five-fight winning streak, following his loss to Nathan Cleverly in April 2014, started to deliver heat to the champion. Krasniqi managed to land both overhand left hooks and straight right hands to the champion's belly to trouble him in the second. TBRB #5 Braehmer, 36, answered with a killer left hook that could have possible saved the round for him. It also became clear, that punching power (mixed wit the opponent's ability to take the punch) will be a decisive moment in the bout, and it was.

The relentless challenger came back for more in rounds three, four and five. He crushed into Braehmer with a massive left hook in the third, added a huge right uppercut in the fourth. The champion, outboxed and outfought, looked to be on a receiving end. However, it has also been seen that Braehmer has never been in real danger - expected from a fighter, who ate no less than 20-30 unanswered blows from such a

puncher as Dmitry Sukhotskiy (in 2009)... and still kept coming.

Krasniqi's activity started to decrease from round six. Braehmer, while outboxed, landed a small number of clean, damaging blows, which began to take its toll on the challenger. The champion hurt him several times throughout the seventh and eighth rounds. Braehmer engaged even more in the ninth, rocking Krasniqi repeatedly and finally forcing him to reel wobbly to the ropes in the end of the round, provoking referee Tony Weeks to issue a standing eight.

Cut, battered and bruised with no power to endanger the champion, Robin Krasniqi retired on his stool in the break between rounds nine and ten. Official time of stoppage was 0:01 of the tenth. Krasniqi is now 43-4, 16 KOs, stopped for the first time in his career and back to the second circuit. Braehmer, who defended his title for the fourth

time, improves to 46-2, with 34 KOs. WBA super champion title belongs to Sergey Kovalev of Russia.

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WBO #4 German super middleweight prospect Vincent Feigenbutz, just 19 years of age, continued his world domination tour with the ninth-round stoppage of previously undefeated Hungarian veteran Balazs Kelemen to retain his WBO I/C title for the first time.

Feigenbutz, who started his pro career at a tender age of 16, fought hard but Kelemen, 17 years his senior, gave his all to a younger opponent while boxing off the distance. Feigenbutz was marked and hit but he prevailed on a sheer power and quantity of his punches. Scores were 78-74 (twice) and 77-75 - for the German after the eighth.

Vincent broke in for more in the ninth, finally catching Kelemen with a hard left hook and finishing him with a subsequent combo later on, at 0:51 of the round. Feigenbutz is now 19-1, 18 KOs, while the Hungarian drops down to 22-1, 13 KOs.

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Top heavyweight contender Denis Boytsov (36-1, 27KOs) continued to rebuild himself, only needing only two rounds to stop trialhorse Irineu Costa Junior (16-4, 14KOs). Costa claimed a handy injury and chose not to continue any further.

2012 London Olympics quarterfinalist Stefan Haertel (5-0) is still looking for his first stoppage win. The German super middleweight has easily outpointed career journeyman Vladimir Borovskiy (21-58-2, 10 KOs) unanimously over six rounds but failed to get the job done inside the distance.

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Super lightweight Anthony Yigit (13-0-1, 5KOs) won a ten round unanimous decision over Timo Schwarzkopf. The scores were 97-93, 97-93 and 96-93.

Agron Dzila (22-1, 17KOs) won a twelve round unanimous decision over Bernard Adie (12-3, 8KOs) to capture the vacant GBY cruiserweight title. The scores were 117-110, 116-110 and 117-109. Adie went down in rounds three and ten.

British lightweight Ohara "Two Tanks" Davies (6-0, 4 KOs) easily outpointed Polish Jacek Wylezol (11-8, 6 KOs) over six rounds with a unanimous decision.