Matt Barnes allegedly threw a punch at an opponent during a San Francisco Pro-Am game on Thursday. "That's part of the game, man," said Barnes. "It's physical. You know what I mean? People come out here and think they can beat and push on me. There's only so much I'm going to take. I'm a grown man first, so if you think you're going to come out here and rough me up and cheap shot, I'm not having that s__. " ESPN also spoke to a San Francisco police officer in attendance. "They got tangled up," said the officer. "A couple guys took swings. Both connected. It got broken up. They didn't eject him. Different rules here, I guess." Via ESPN and RealGM