The UFC will be holding the UFC 137 weigh in event live today from the Mandalay Bay Events Center in Las Vegas, NV at 7 p.m. ET to make this weekends UFC pay-per-view event official.

“UFC 137: Penn vs. Diaz” is set to take place on October 29th from the Mandalay Bay Events Center in Las Vegas. The pay-per-view event was set to feature a welterweight championship bout between George St Pierre and Carlos Condit. However GSP was forced to withdraw with a knee injury and in his place will come BJ Penn vs. Nick Diaz.

We will be broadcasting the weigh-ins today in the player below.