Sensational heavyweight showdown announced for “M-1 Challenge 81: Battle in the Mountains 6” Sergei Kharitonov vs. Geronimo Dos Santos
By M1
SAINT PETERSBURG, Russia (June 28, 2017 – M-1 Global has announced a sensational heavyweight shodeown between two International stars, Sergei “The Paratrooper” Kharitonov and Geronimo “Mondragon” Dos Santos, at the July 22nd M-1 Challenge 81: Battle in the Mountains 6,