Unfortunately, even if you would have had the rules, he would still have told you to leave claiming you were being disruptive. And if you didn't ... boom, Disorderly Conduct and arrest. The cops at the games are free to make up whatever rules they want and there isn't anything any of us can do about. I had a similar experience and the cop pretty much told me I could either choose to leave like he asked or I could be right in the back of the car awaiting my Disorderly Conduct charge that he knew I would beat. The threat was the inconvenience of the arrest. I have little respect for these guys.