A 27-year-old bartender from Palos Verdes Estates was charged Thursday with punching a New York Mets fan in the Dodger Stadium parking lot, knocking him unconscious and causing him to hit his head on the ground, authorities said.Michael Rae Papayans, who also was arrested along with Backstreet Boy Nick Carter during a January fight in a Key West, Florida, bar, could face up to seven years in prison if convicted of the Dodger Stadium attack Oct.