Fedor is the greatest heavyweight of all time, you can argue that. Francis Ngannou is the greatest right now. Ngannou the current champion is scary but prime Emelianenko went on a incredible winning streak that no man his size has been able to reproduce. The ultimate heavyweight war is Fedor vs...

Francis Ngannou is rapidly rising but Brock did beat Mark Hunt at UFC 200 and although it was overturned he was an X UFC champion. So who would you pick Brock or Francis in 2018?