The Rivals marks the first joint project from the top sports writers of New York Times and the Boston Globe--and what better subject than the two baseball teams whose crossed fortunes obsess and define each city.**A Struggle for the Ages. . .BOSTON GLOBE JANUARY 6, 1920RED SOX SELL RUTH FOR $100,000 CASH--------Demon Slugger of American League, Who Made 29 Home Runs Last Season, Goes to New York Yankees--------...