Weigh-ins for Saturday’s UFC 160 event went down from Las Vegas earlier today, and a special guest was in attendance.

Former boxing heavyweight champion Mike Tyson joined UFC president Dana White, matchmaker Joe Silva, announcer Joe Rogan, the Octagon girls and all the fighters on stage.

Now, thanks to USA Today’s excellent photography staff, here are some of the highlights from the weigh-ins.

Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports
Bruce Fedyck-USA TODAY Sports