When the 'Baddest Man on the Planet' suffers a devastating TKO in the first round of a title defense, you know that there is something wrong. Questions have to be asked.
The moment Brock Lesnar's legs capitulated beneath him for a second fight in a row, those paper thin cracks that people were talking about pre-fight were suddenly very visible. Against Shane Carwin, at UFC 116 in July, Lesnar's flawed game was dramatically exposed for the first time.