Memorial Day weekend at Petco Park. The Phillies come to San Diego on May 25th carrying the particular energy of a team that travels well — Philadelphia fans follow their teams, they make noise in the opposing park, and they make the crowd around them feel the game harder. That friction is the best version of a regular season game. The Petco Park experience in late May is what drew people to baseball in the first place: the temperature is right, the sun drops into the outfield seats around the fifth inning, and the park fills with people who decided that today is the kind of day you don't spend …