Here's an interview with Lyoto Machida from Sherdog.com. At the 7:40 mark he talks about Brock:

The T-Shirt Brock will wear on Nov 21st has been revealed on Brock's twitter and facebook page. Take a look at the latest Deathclutch Shirt here. Looks awesome!

Wanderlei Silva was interviewed on sherdog.com:

Sherdog: Who do you think can beat Brock Lesnar?

Silva: I think Minotauro. Minotauro is the man to beat Lesnar because he won’t fear him. He doesn’t fear anyone, and he’ll punish him standing.

Brock's coach Greg Nelson at times writes quick notes about Brock's UFC 106 training camp on his facebook page. Just now he wrote:

"Training camp with Brock is going great, tons of sparring drills, sparring, Takedowns, the whole game."