From the rickety to the palatial, ballparks have grown up with and defined baseball in Minneapolis and St. Paul. Some old-timers have vivid memories of cheering for Willie Mays and Roy Campanella at Nicollet and Lexington. Others marveled at a majestic Killebrew home run at the Met. Many a lucky resident celebrated two world championships in the Metrodome and witnessed one of the greatest pitching performances in World Series history. More recently,...