Lol that Lewis fight was him going through a mental blockage after gassing out against Stipe.I think Rumble for the fact he doesn't get gun shy standing ever. Francis looked awfully worried against Lewis at times and even a moment of that vs heavyweight Rumble could be all it takes.
I also think Anthony had better footwork, handspeed said cuts the angles better. He had many knockouts backing up even counters well on the back foot