By Chris Howie
MMANEWS.COM Staff Writer
Nick Diaz will meet BJ Penn in the main event of UFC 137 following multiple changes to the card and considering Diaz was pegged to face Georges St. Pierre for the welterweight title and instead now has to face a friend in Penn, one might understand the Stockton natives frustration.
Diaz talked about the changes and his opponent on the UFC 137 media conference call:
“I think B.J. is a lot better fighter to be honest with you, on a technical standpoint. He