The withdrawal of the quadrilaterals of a large: Sergey Kovalev wins for KO

Last weekend one of the great boxers of the past decade, Russian Sergey Kovalev, said goodbye. He did it at 42 years old and above the ring, with one last victory to say goodbye to his hobby, within a gala organized in the city Cheliabinsk, already near the border with Kazakhstan. Kovalev, who abandons boxing with a record of 36-5-1 (being that tie really a technical null, without result), having achieved thirty of his victories before the limit…