For fans, pro baseball can be more exciting than fictional dramas. The person responsible for making these games happen is the GM (General Manager). He must have a cool head, smart judgment, and the ability to make predictions based on limited information. It is a game of high-level psychological warfare, fighting with numbers to pierce the opponent with perfect timing. It is a fierce war that takes place outside the stadium, as GMs try to scout and build the strongest team. (Source: KakaoPage, translated)