Former Heavyweight boxing champion, Mike Tyson, was on the dais tonight at UFC 160 weigh ins, taking in the scale-tipping festivities along side his friend, company president Dana White. All seemed to be going well until the staredown between Khabib Nurmagomedov and Abel Trujillo nearly erupted into early fisticuffs. His reaction is priceless. For complete UFC 160 weigh-in results, as well as video and staredown pics, click here, here and here. Photo by Esther Lin for MMAFighting.com.