I think too many people are remembering a healthy, 32 year old Brock in 2009. And forgetting that if this fight happened he would be 38/39 years old. And hasn't trained seriously for 4+ years. He wasn't taking his training seriously leading into the Overeem fight. He was sick before it, and he was coming in to get paid and retire. He was sick leading up to the Cain fight, so he couldn't train then.
Schaub is not the bum you guys make him out to be. If Schaub stops just 1 takedown Brock goes full panic mode and Schaub crusies from there.