UFC 166 weigh-ins, all 26 fighters taking part in Saturday night's UFC 166 fights will step on the scale Friday evening, and we'll have the live video here at MMAFighting.com.In the main event, UFC heavyweight champion Cain Velasquez and Junior dos Santos will have to make the heavyweight limit of 265 pounds.The UFC 166 weigh-in takes place at 5 p.m. ET at the Toyota Center in Houston, and the video is above.">