“Was he just extending his arm and saying YEA?”
Here is the video. I would say probably not, but have a look for yourself. The punishment does seem a bit extreme, however.
http://www.youtube.com/watch?v=9gjH9idWG6Y
Interesting. What looks like a Nazi salute followed by the black power salute. Or maybe just someone really excited and giving a high salute to the people in the stands. Where are the thought police when you need them?