Executives are expecting third baseman Josh Donaldson to sign soon, and it could be a National League East battle between the Nationals and Braves. The belief is the Nationals have the biggest offer -- potentially for four years -- but Donaldson is expected to give the Braves a chance to counter. The Twins, Rangers and Dodgers have all been linked to him as well, but they seem like long shots at the moment. The 34-year-old re-established his value by hitting .259/.379/.521 with 37 home runs, 96...