By Chris Howie
MMANEWS.COM Staff Writer
Cesar Gracie was a guest on Sherdog Radio this week and spoke about this past weekend's UFC 137 main event that featured his student Nick Diaz taking on BJ Penn.
Gracie took some heat from the Penn camp prior to the contest for asking for a fight against Penn but now that the fight has taken place, Gracie explains his reasoning for wanting the fight and also invited Penn back to his camp if he does decide to fight again:
“I think this fight had to happen. In a way, everything that happened was fate. These two had to fight each other. People needed to see this fight, and I think it kind of cements Nick