The MLB belt map
39 cities · circle size = days held39 cities have held the MLB belt. Each circle is a city, sized by the days its teams have held it; press play to watch the belt travel reign by reign from Boston, MA onward, or drag the slider to any reign. The longest-held cities: Chicago, IL (5,873 days over 1,135 reigns: Cubs, White Sox); New York, NY (5,511 days over 1,123 reigns: Giants, Mets, Mutuals, Yankees); Boston, MA (5,146 days over 902 reigns: Braves, Red Sox); Philadelphia, PA (4,545 days over 789 reigns: Athletics, Phillies); Detroit, MI (3,975 days over 681 reigns: Tigers, Wolverines).