Sergei Kharitonov returns at M-1 Challenge 81
Fan-favorite knockout artist Sergei “The Paratrooper” Kharitonov returns to action to take on “Mondragon” in August at M-1 Challenge 81. The heavyweight bout was officially announced this morning, but Gerônimo “Mondragon” Dos Santos’ involvement with the event was announced a few days earlier. Kh...