The UFC 137: "Penn vs. Diaz" weigh-in event went down today (Oct. 28, 2011) in Las Vegas, Nevada, where all 22 competitors hit the scale to make their respective bouts official for tomorrow night (Oct. 29, 2011) at the Mandalay Bay Events Center.
For complete weigh in results click here, for staredown pics click here, for video of the main event staredown click here, for a complete photos gallery click here and for an update on Tyson Griffin missing weight click here.
Ready to get these fights rolling or what, Maniacs?
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