It wasn't a title shot, and if I remember correctly Chuck really wanted to fight him. Dana and Chuck are buddy's so of course he'll get to fight who he wants.
The pre fight hype was HILARIOUS, with Vernon saying '' I'm not afraid to get hit by Liddell....come on, I get hit by Ken Shamrock all the time so why should I be afraid?''
When I heard that I was like....is he joking? but he was serious all the way, which makes it that much more funny
