. . . "Multi-purpose stadiums are a type of stadium designed to be easily used by multiple types of events. While any stadium could potentially host more than one type of sport or event, this concept usually refers to a specific design philosophy that stresses multi-functionality over specificity. It is used most commonly in Canada and the United States, where the two most popular outdoor team sports \u2013 gridiron football and baseball \u2013 require radically different facilities."@en .