Brock knew that the disease had taken his edge, he'd already decided he was going to quit after a couple more fights even if he won. You could see in the staredown with Overeem he didn't really want to be there. If he had fully committed to that takedown, yes the knee hurt him bad but he could have still completed it and then a whole different story. He wasn't prepared to win.
Very true.in firm believer that lesnar can take anybody down and keep them there but he is too dumb to fight smart.the only fight he fought smart was the fist round with mir2.after that he have the habit to abandoned his bread and butter and try to be a scrapper.