It's preseason for security staff too, as we learned tonight at Candlestick Park as back-to-back Idiots invaded the field during the Vikings-49ers matchup, with one of them getting taken down by Jerome Simpson.

We're still efforting getting video of that, since those sticks-in-the-mud at NBC won't show it to you. But above you can see the gist of what went down, and we'll update as we get decent video. [NBC]