ARLINGTON -- The Dallas Wings lost a nail-biter to the New York Liberty Sunday. Wings guard Skylar Diggins-Smith had the chance to give her team the victory in the final seconds of the regular-season finale. Her buzzer beater was not true, however, and the Wings fell 82-81.But the action with real consequences for the Wings, already locked into the seventh seed in the playoffs before Sunday, happened in Phoenix and Saint Paul, Minn.In Phoenix, the Mercury beat Atlanta 84-70.