http://www.miamiherald.com/sports/football/miami-dolphins/story/1479168.htmlZach Thomas tells us he has played his last NFL game and would ``love to'' sign with Miami for one day so he can retire as a Dolphin. ``I'm a Dolphin for life.'' Thomas, who has an unresolved grievance against Kansas City over his release last September, said he's still having symptoms from concussions, ``including fuzziness when it gets cold.''