LAS VEGAS, NV - DEC 7: Mike Tyson on stage at the Pacquiao vs Marquez 4 Weigh In at the MGM Grand Garden Arena in Las Vegas, NV to promote his charity function taking place at the MGM Grand on Friday night. Much of the fans gave him love and cheered for him as he screamed back saying, "you better come out tonight." Byline and/or web usage link must  read PHOTO: © Eduardo E. Silva/SILVEX.PHOTOSHELTER.COM.