This happens at a lot of weigh-ins, whether it be for boxing or MMA, but it is always fun to watch.
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After Mendes (17-2-0) weighed in, he went straight towards McGregor (17-2-0), attempting to get face-to-face with his UFC 189 opponent. UFC president Dana White interfered, keeping the two apart for what at first seemed serious, then just turned into more of an entertainment scene. White even burst out into laughing while keeping the two away from each other.
The two will fight on Saturday night at the MGM Grand in Las Vegas. The bout is for the interim UFC featherweight championship, which is due to current featherweight champion Jose Aldo pulling out of the fight due to a rib injury.
