Ultimate Fighter coach Brock Lesnar was 'a beast' training with Xtreme Couture

It's tough to determine how a fighter will deal with a loss, especially one that is particularly devastating or embarrassing. Such was the nature of Brock Lesnar's defeat at the hands of Cain Velasquez at UFC 121, where "Brown Pride" had the big man doing cartwheels in the middle of the cage.
Not only did Velasquez take his heavyweight title, he had the entire martial arts world thinking Brock might pack his bags and head back to the scripted world of pro wrasslin'.
After such a desolating loss, it's difficult to blame anyone for thinking as much. It's natural to wonder how a former champion will react to losing his strap, specifically in the manner in which he lost it.
Wonder no longer, as Fighter Mag was lucky enough to sit down with Jay Hieron, an Xtreme Couture fighter, who had some interesting things to say regarding what it was like when Lesnar was training with the Las Vegas based team for the duration of filming of season 13 of The Ultimate Fighter (TUF), which premiered on Wednesday, March 30, 2011.
"The Thoroughbred" was glowing in his praise of the pasty-faced recluse, who apparently had a gay old time while running through the entire squad:

"The guy is just a whole different animal. It was his first time back to training since the Cain fight and he was just under 300-pounds. It was something different and we never had a beast quite like that at our gym. It mostly consisted of BJJ and wrestling. A lot of rolling. He also helped some of us in the wrestling department. He did some sparring with Randy. You do not realize how strong he is and how fast he is unless you are there training or fighting him. I fight at 170 and I'll be the first to tell you that he was much faster than I was. It's shocking actually - the way he was just throwing guys around. Couture had him go through rounds of rolling. One person would step in, roll with Brock for 2 minutes then step out and someone else would go in. Forrest Griffin was there, Vitor was there, I was there, Sefo was there. We had a bunch of guys. He was incredibly strong, we would just go in there and get submitted a couple times and get out. He caught Forrest in the same straight armbar three times in the two minutes they were rolling. The only one he didn't tap out was Vinny [Magalhaes] but it was more of the same. I don't think anyone was able to get top position without him giving it up. It was a fun experience."

Sounds impressive, no? After all, if UFC color commentator Joe Rogan has taught us anything, it's how "underrated" Forrest Griffin's ground game is.
But is this just Hieron giving Lesnar some good press? It's worth noting that all of Brock's training partners have spoken rather highly of him after a few minutes on the mat.
If true, Junior dos Santos needs to take heed. This beast that Hieron is describing awaits him at the conclusion of TUF 13 at on June 11 at UFC 131 in Vancouver. The winner is guaranteed a title shot against Cain Velasquez in late 2011.