By Chris Howie
MMANEWS.COM Staff Writer
October 29th's UFC 137 continues to grow as the UFC announced the addition of two bouts to the card over the weekend.
Lightweights Dennis Siver and Sam Stout will meet in one of the newly announced bouts while Brandon Vera returns to action against Eliot Marshall in the other.
UFC 137 will feature a UFC Welterweight title defense in the main event as George St. Pierre takes on Nick Diaz at the Mandalay Bay Events Center in Las Vegas, NV.
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