
In the main event, middleweights Chris Leben and Mark Munoz had to make the 185-pound limit, with a one-pound buffer for a non-title fight. In the co-main event, bantamweights Brad Pickett and Renan Barão had to make the 135-pound limit, also with a one-pound buffer for a non-title fight.
The UFC 138 weigh-in video is below.