This study will investigate how the professional baseball teams affect the box office of audience, to analyze the high and low tide professional baseball environment. Why the number of audience will decline? Whether the star players were switched around to foreign countries, it cannot be released epigenetic generation? Or intensity and brilliant game will decline the quality of professional baseball game? Or each team cannot create more of a topic of conversation, to attract fans approach watching? To each team fighting force, either train rookie, signed or travel outside of the generous returning players all want to improve the team record, create more of a topic of conversation. But the most fundamental source of evil, perhaps the original text as for betting shadow, so the fans do not trust players. Many times betting suspicions, the teams among many star players are involved, often resulting in loss of combat power on the team, but also cause great blow to the coalition.