Watch The GSP vs. Diaz Scuffle – UFC 158: St-Pierre vs. Diaz Weigh-in Video (Full Replay) | UFC NEWS

As expected, things got heated at today’s UFC 158 weigh-ins when Nick Diaz brashly broke his watch off his wrist to instigate contact with UFC welterweight champion, GSP.

If you missed the live event, just tune-in using the player above to catch the full replay.

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