When the struggling Boston Braves relocated to Milwaukee in March 1953, the city went wild for its new baseball team. Soon, the Braves were winning games, drawing bigger crowds than any team but the Brooklyn Dodgers, and turning Hank Aaron, Eddie Mathews, and Warren Spahn into Hall of Famers. Within five years the team would win a World Series and two pennants. It seemed the dawn of a new dynasty. Impassioned fans wore their hearts on their...