UFC 137 Weigh-in Video: Penn & Diaz Scuffle

LAS VEGAS – Despite a strong respect for each other and emerging from the same origins, things got a little heated when they finally had to stand nose-to-nose before the throng of fans at the UFC 137 weigh-ins at Mandalay Bay. When the two met to square off for photographers, neither would back down, causing emotions to run high and UFC president Dana White to jump into the fray.

Check out the UFC 137 weigh-in video from MMAWeekly.com…