Interest and attendance were dropping, and football was ascending. Stuck in a rut, baseball was dying. Then Steinbrenner bought the Yankees, a second-division club with wife-swapping pitchers, leaving the House That Ruth Built not with a slam but a simper. He vowed not to interfere--before soon changing his mind. Across town, Tom Seaver led the Mets' stellar pitching line-up, and iconic outfielder Willie Mays was preparing to say goodbye. For months,...